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mechanical+life+-

  • 1 механический срок службы

    Русско-английский исловарь по машиностроению и автоматизации производства > механический срок службы

  • 2 конструктивный ресурс

    Русско-английский политехнический словарь > конструктивный ресурс

  • 3 механическая долговечность

    Русско-английский политехнический словарь > механическая долговечность

  • 4 конструктивный ресурс

    1. mechanical life

     

    конструктивный ресурс
    —
    [А.С.Гольдберг. Англо-русский энергетический словарь. 2006 г.]

    Тематики

    EN

    Русско-английский словарь нормативно-технической терминологии > конструктивный ресурс

  • 5 механическая износостойкость контактного аппарата

    1. service life mechanical
    2. mechanical life
    3. mechanical endurance
    4. mechanical durability

     

    механическая износостойкость контактного аппарата
    Способность контактного аппарата выполнять в определенных условиях определенное число операций без тока в цени главных и свободных контактов, оставаясь после этого в предусмотренном состоянии.
    [ ГОСТ 17703-72]

    EN

    mechanical endurance
    number of cycles under specified conditions with unloaded contact(s)
    [IEC 61810-1, ed. 3.0 (2008-02)]

    mechanical endurance
    number of cycles until relay failure, with unloaded output circuit(s) and under specified operating conditions
    [IEV 444-07-10]

    FR

    endurance mécanique, f
    nombre de manœuvres avant défaillance du relais, le ou les circuits de sortie n'étant pas chargés et dans des conditions de fonctionnement spécifiées
    [IEV 444-07-10]

    По стойкости к механическому износу аппарат характеризуется числом (указанным в стандарте на соответствующий аппарат) циклов оперирования без нагрузки (т. е. при обесточенных главных контактах), которые он должен осуществить, прежде чем возникнет необходимость обслуживания или замены каких-либо механических частей; однако может допускаться нормальное, по инструкциям изготовителя, обслуживание аппаратов, для которых оно предусмотрено.
     Каждый цикл оперирования состоит из одного замыкания с последующим размыканием.
    <>[<> ГОСТ Р 50030. 1-2000]

    Тематики

    • аппарат, изделие, устройство...
    • контакт

    EN

    DE

    FR

    • endurance mécanique, f

    Русско-английский словарь нормативно-технической терминологии > механическая износостойкость контактного аппарата

  • 6 срок службы

    1) General subject: age, economic life, life (машины, учреждения), operating life (машины), tour of duty, vintage, working lifespan, durability
    2) Geology: life length
    5) Medicine: life time
    6) American: hitch (в армии)
    7) Military: credit, enlistment (по контракту), length of service, life (машины, прибора), (преим.) life cycle, operational phase (системы), service tenure, term of enlistment (по контракту), term of service, tour length
    8) Engineering: campaign, life span, mechanic life (машины), mechanical life (машины), working time
    11) Railway term: wear-life (детали)
    13) Economy: durability (машины), operating time
    14) Accounting: lifetime (напр. оборудования), longevity, service
    15) Automobile industry: burning hours (лампы), endurance, life (детали, машины), life cycle, life duration, lifetime, period of service, service life period, serviceable life
    16) Mining: service length
    17) Diplomatic term: age (оборудования, здания и т.п.), stint
    20) Telecommunications: resource
    21) Electronics: calendar age, calendar life
    22) Oil: TOS (time of service), age (оборудования, инструмента), in-service life, life expectancy, operating age, operation life, performance period, service durability, service life, term of life, time of service, useful life, working life
    24) Metrology: useful life (например, лампы)
    25) Ecology: service age
    26) Advertising: operating life
    28) Microelectronics: life-span
    29) Polymers: life durability
    31) Quality control: endurance period, mechanical life (изделия), running time, usable life
    32) Arms production: mechanical life (ружья, винтовки)
    33) Aviation medicine: life (машины)
    34) Makarov: a spell of service, life utility, period of service (ресурс), service life (общий), service life (прибора), span, spell of service, useful life (агрегата)
    36) Energy system: useful lifetime
    37) Logistics: life of item
    38) Combustion gas turbines: age (машины), length of life (двигателя), lifetime (двигателя), operating life (двигателя)

    Универсальный русско-английский словарь > срок службы

  • 7 механический срок службы

    1) Automation: mechanical life
    2) Measuring equipment: mechanical lifetime

    Универсальный русско-английский словарь > механический срок службы

  • 8 длительность эксплуатации машины

    Универсальный русско-английский словарь > длительность эксплуатации машины

  • 9 срок службы машины

    1) General subject: life (и т.п.), lives (и т.п.)
    3) Automobile industry: mechanical life

    Универсальный русско-английский словарь > срок службы машины

  • 10 конструктивный ресурс

    Engineering: mechanical life

    Универсальный русско-английский словарь > конструктивный ресурс

  • 11 механическая долговечность

    Engineering: mechanical life

    Универсальный русско-английский словарь > механическая долговечность

  • 12 срок службы механизма

    Automobile industry: mechanical life

    Универсальный русско-английский словарь > срок службы механизма

  • 13 mechanische Lebensdauer

    Lebensdauer f: mechanische Lebensdauer f mechanical life

    Deutsch-Englisch Wörterbuch der Elektrotechnik und Elektronik > mechanische Lebensdauer

  • 14 vida mecánica

    f.
    mechanical life.

    Spanish-English dictionary > vida mecánica

  • 15 прямой пуск вращающегося электродвигателя

    1. full voltage starter application
    2. DOL
    3. direct-on-line starting
    4. direct starting
    5. direct operation of a motor
    6. direct line starting
    7. across-the-line starting (US)

     

    прямой пуск вращающегося электродвигателя
    Пуск вращающегося электродвигателя путем непосредственного подключения его к питающей сети.
    [ ГОСТ 27471-87]

    EN

    direct-on-line starting
    across-the-line starting (US)
    the process of starting a motor by connecting it directly to the supply at rated voltage
    [IEV number 411-52-15]

    FR

    démarrage direct
    mode de démarrage d'un moteur, consistant à lui appliquer directement sa pleine tension assignée
    [IEV number 411-52-15]

    0855
    Рис. ABB
    Схема прямого пуска электродвигателя

    Magnetic only circuit-breaker - Автоматический выключатель с электромагнитным расцепителем

    Contactor KL - Контактор KL

    Thermal relay - Тепловое реле

     

    Параллельные тексты EN-RU

    Direct-on-line starting

    Direct-on-line starting, which is often abbreviated as DOL, is perhaps the most traditional system and consists in connecting the motor directly to the supply network, thus carrying out starting at full voltage.

    Direct-on-line starting represents the simplest and the most economical system to start a squirrel-cage asynchronous motor and it is the most used.

    As represented in Figure 5, it provides the direct connection to the supply network and therefore starting is carried out at full voltage and with constant frequency, developing a high starting torque with very reduced acceleration times.

    The typical applications are relevant to small power motors also with full load starting.

    These advantages are linked to some problems such as, for example, the high inrush current, which - in the first instants - can reach values of about 10 to 12 times the rated current, then can decrease to about 6 to 8 times the rated current and can persist to reach the maximum torque speed.

    The effects of such currents can be identified with the high electro-dynamical stresses on the motor connection cables and could affect also the windings of the motor itself; besides, the high inrush torques can cause violent accelerations which stress the transmission components (belts and joints) generating distribution problems with a reduction in the mechanical life of these elements.

    Finally, also the possible electrical problems due to voltage drops on the supply line of the motor or of the connected equipment must be taken into consideration.
    [ABB]

    Прямой пуск

    Прямой пуск, который по-английски часто сокращенно обозначают как DOL, является, пожалуй наиболее распространенным способом пуска. Он заключается в непосредственном (т. е. прямом) подключении двигателя к питающей сети. Это означает, что пуск двигателя осуществляется при полном напряжении.

    Схема прямого пуска является наиболее простым, экономичным и чаще всего применяемым решением для электродвигателей с короткозамкнутым ротором.

    Схема прямого подключения к сети представлена на рисунке 5. Пуск осуществляется при полном напряжении и постоянной частоте сети. Электродвигатель развивает высокий пусковой момент при коротком времени разгона.

    Типичные области применения – маломощные электродвигатели, в том числе с пуском при полной нагрузке.

    Однако, наряду с преимуществами имеются и определенные недостатки, например, бросок пускового тока, достигающий в первоначальный момент 10…12-кратного значения от номинального тока электродвигателя. Затем ток двигателя уменьшается примерно до 6…8-кратного значения номинального тока и будет держаться на этом уровне до тех пор, пока скорость двигателя не достигнет максимального значения.

    Такое изменение тока оказывает значительное электродинамическое воздействие на кабель, подключенный к двигателю. Кроме того пусковой ток воздействует на обмотки двигателя. Высокий начальный пусковой момент может привести к значительному ускорению и следовательно к значительной нагрузке элементов привода (ремней, крепления узлов), что вызывает сокращение их срока службы.

    И, наконец, следует принять во внимание возможное возникновение проблем, связанных с падением напряжения в линии питания двигателя и подключенного к этой линии оборудования.
    [Перевод Интент]




     

    Тематики

    Синонимы

    EN

    DE

    FR

    Русско-английский словарь нормативно-технической терминологии > прямой пуск вращающегося электродвигателя

  • 16 Herbert, Edward Geisler

    [br]
    b. 23 March 1869 Dedham, near Colchester, Essex, England
    d. 9 February 1938 West Didsbury, Manchester, England
    [br]
    English engineer, inventor of the Rapidor saw and the Pendulum Hardness Tester, and pioneer of cutting tool research.
    [br]
    Edward Geisler Herbert was educated at Nottingham High School in 1876–87, and at University College, London, in 1887–90, graduating with a BSc in Physics in 1889 and remaining for a further year to take an engineering course. He began his career as a premium apprentice at the Nottingham works of Messrs James Hill \& Co, manufacturers of lace machinery. In 1892 he became a partner with Charles Richardson in the firm of Richardson \& Herbert, electrical engineers in Manchester, and when this partnership was dissolved in 1895 he carried on the business in his own name and began to produce machine tools. He remained as Managing Director of this firm, reconstituted in 1902 as a limited liability company styled Edward G.Herbert Ltd, until his retirement in 1928. He was joined by Charles Fletcher (1868–1930), who as joint Managing Director contributed greatly to the commercial success of the firm, which specialized in the manufacture of small machine tools and testing machinery.
    Around 1900 Herbert had discovered that hacksaw machines cut very much quicker when only a few teeth are in operation, and in 1902 he patented a machine which utilized this concept by automatically changing the angle of incidence of the blade as cutting proceeded. These saws were commercially successful, but by 1912, when his original patents were approaching expiry, Herbert and Fletcher began to develop improved methods of applying the rapid-saw concept. From this work the well-known Rapidor and Manchester saws emerged soon after the First World War. A file-testing machine invented by Herbert before the war made an autographic record of the life and performance of the file and brought him into close contact with the file and tool steel manufacturers of Sheffield. A tool-steel testing machine, working like a lathe, was introduced when high-speed steel had just come into general use, and Herbert became a prominent member of the Cutting Tools Research Committee of the Institution of Mechanical Engineers in 1919, carrying out many investigations for that body and compiling four of its Reports published between 1927 and 1933. He was the first to conceive the idea of the "tool-work" thermocouple which allowed cutting tool temperatures to be accurately measured. For this advance he was awarded the Thomas Hawksley Gold Medal of the Institution in 1926.
    His best-known invention was the Pendulum Hardness Tester, introduced in 1923. This used a spherical indentor, which was rolled over, rather than being pushed into, the surface being examined, by a small, heavy, inverted pendulum. The period of oscillation of this pendulum provided a sensitive measurement of the specimen's hardness. Following this work Herbert introduced his "Cloudburst" surface hardening process, in which hardened steel engineering components were bombarded by steel balls moving at random in all directions at very high velocities like gaseous molecules. This treatment superhardened the surface of the components, improved their resistance to abrasion, and revealed any surface defects. After bombardment the hardness of the superficially hardened layers increased slowly and spontaneously by a room-temperature ageing process. After his retirement in 1928 Herbert devoted himself to a detailed study of the influence of intense magnetic fields on the hardening of steels.
    Herbert was a member of several learned societies, including the Manchester Association of Engineers, the Institute of Metals, the American Society of Mechanical Engineers and the Institution of Mechanical Engineers. He retained a seat on the Board of his company from his retirement until the end of his life.
    [br]
    Principal Honours and Distinctions
    Manchester Association of Engineers Butterworth Gold Medal 1923. Institution of Mechanical Engineers Thomas Hawksley Gold Medal 1926.
    Bibliography
    E.G.Herbert obtained several British and American patents and was the author of many papers, which are listed in T.M.Herbert (ed.), 1939, "The inventions of Edward Geisler Herbert: an autobiographical note", Proceedings of the Institution of Mechanical Engineers 141: 59–67.
    ASD / RTS

    Biographical history of technology > Herbert, Edward Geisler

  • 17 Buckle, William

    [br]
    b. 29 July 1794 Alnwick, Northumberland, England
    d. 30 September 1863 London, England
    [br]
    English mechanical engineer who introduced the first large screw-cutting lathe to Boulton, Watt \& Co.
    [br]
    William Buckle was the son of Thomas Buckle (1759–1849), a millwright who later assisted the 9th Earl of Dundonald (1749–1831) in his various inventions, principally machines for the manufacture of rope. Soon after the birth of William, the family moved from Alnwick to Hull, Yorkshire, where he received his education. The family again moved c.1808 to London, and William was apprenticed to Messrs Woolf \& Edwards, millwrights and engineers of Lambeth. During his apprenticeship he attended evening classes at a mechanical drawing school in Finsbury, which was then the only place of its kind in London.
    After completing his apprenticeship, he was sent by Messrs Humphrys to Memel in Prussia to establish steamboats on the rivers and lakes there under the patronage of the Prince of Hardenburg. After about four years he returned to Britain and was employed by Boulton, Watt \& Co. to install the engines in the first steam mail packet for the service between Dublin and Holyhead. He was responsible for the engines of the steamship Lightning when it was used on the visit of George IV to Ireland.
    About 1824 Buckle was engaged by Boulton, Watt \& Co. as Manager of the Soho Foundry, where he is credited with introducing the first large screw-cutting lathe. At Soho about 700 or 800 men were employed on a wide variety of engineering manufacture, including coining machinery for mints in many parts of the world, with some in 1826 for the Mint at the Soho Manufactory. In 1851, following the recommendations of a Royal Commission, the Royal Mint in London was reorganized and Buckle was asked to take the post of Assistant Coiner, the senior executive officer under the Deputy Master. This he accepted, retaining the post until the end of his life.
    At Soho, Buckle helped to establish a literary and scientific institution to provide evening classes for the apprentices and took part in the teaching. He was an original member of the Institution of Mechanical Engineers, which was founded in Birmingham in January 1847, and a member of their Council from then until 1855. He contributed a number of papers in the early years, including a memoir of William Murdock whom he had known at Soho; he resigned from the Institution in 1856 after his move to London. He was an honorary member of the London Association of Foreman Engineers.
    [br]
    Bibliography
    1850, "Inventions and life of William Murdock", Proceedings of the Institution of Mechanical Engineers 2 (October): 16–26.
    RTS

    Biographical history of technology > Buckle, William

  • 18 Smeaton, John

    [br]
    b. 8 June 1724 Austhorpe, near Leeds, Yorkshire, England
    d. 28 October 1792 Austhorpe, near Leeds, Yorkshire, England
    [br]
    English mechanical and civil engineer.
    [br]
    As a boy, Smeaton showed mechanical ability, making for himself a number of tools and models. This practical skill was backed by a sound education, probably at Leeds Grammar School. At the age of 16 he entered his father's office; he seemed set to follow his father's profession in the law. In 1742 he went to London to continue his legal studies, but he preferred instead, with his father's reluctant permission, to set up as a scientific instrument maker and dealer and opened a shop of his own in 1748. About this time he began attending meetings of the Royal Society and presented several papers on instruments and mechanical subjects, being elected a Fellow in 1753. His interests were turning towards engineering but were informed by scientific principles grounded in careful and accurate observation.
    In 1755 the second Eddystone lighthouse, on a reef some 14 miles (23 km) off the English coast at Plymouth, was destroyed by fire. The President of the Royal Society was consulted as to a suitable engineer to undertake the task of constructing a new one, and he unhesitatingly suggested Smeaton. Work began in 1756 and was completed in three years to produce the first great wave-swept stone lighthouse. It was constructed of Portland stone blocks, shaped and pegged both together and to the base rock, and bonded by hydraulic cement, scientifically developed by Smeaton. It withstood the storms of the English Channel for over a century, but by 1876 erosion of the rock had weakened the structure and a replacement had to be built. The upper portion of Smeaton's lighthouse was re-erected on a suitable base on Plymouth Hoe, leaving the original base portion on the reef as a memorial to the engineer.
    The Eddystone lighthouse made Smeaton's reputation and from then on he was constantly in demand as a consultant in all kinds of engineering projects. He carried out a number himself, notably the 38 mile (61 km) long Forth and Clyde canal with thirty-nine locks, begun in 1768 but for financial reasons not completed until 1790. In 1774 he took charge of the Ramsgate Harbour works.
    On the mechanical side, Smeaton undertook a systematic study of water-and windmills, to determine the design and construction to achieve the greatest power output. This work issued forth as the paper "An experimental enquiry concerning the natural powers of water and wind to turn mills" and exerted a considerable influence on mill design during the early part of the Industrial Revolution. Between 1753 and 1790 Smeaton constructed no fewer than forty-four mills.
    Meanwhile, in 1756 he had returned to Austhorpe, which continued to be his home base for the rest of his life. In 1767, as a result of the disappointing performance of an engine he had been involved with at New River Head, Islington, London, Smeaton began his important study of the steam-engine. Smeaton was the first to apply scientific principles to the steam-engine and achieved the most notable improvements in its efficiency since its invention by Newcomen, until its radical overhaul by James Watt. To compare the performance of engines quantitatively, he introduced the concept of "duty", i.e. the weight of water that could be raised 1 ft (30 cm) while burning one bushel (84 lb or 38 kg) of coal. The first engine to embody his improvements was erected at Long Benton colliery in Northumberland in 1772, with a duty of 9.45 million pounds, compared to the best figure obtained previously of 7.44 million pounds. One source of heat loss he attributed to inaccurate boring of the cylinder, which he was able to improve through his close association with Carron Ironworks near Falkirk, Scotland.
    [br]
    Principal Honours and Distinctions
    FRS 1753.
    Bibliography
    1759, "An experimental enquiry concerning the natural powers of water and wind to turn mills", Philosophical Transactions of the Royal Society.
    Towards the end of his life, Smeaton intended to write accounts of his many works but only completed A Narrative of the Eddystone Lighthouse, 1791, London.
    Further Reading
    S.Smiles, 1874, Lives of the Engineers: Smeaton and Rennie, London. A.W.Skempton, (ed.), 1981, John Smeaton FRS, London: Thomas Telford. L.T.C.Rolt and J.S.Allen, 1977, The Steam Engine of Thomas Newcomen, 2nd edn, Hartington: Moorland Publishing, esp. pp. 108–18 (gives a good description of his work on the steam-engine).
    LRD

    Biographical history of technology > Smeaton, John

  • 19 занаят

    craft, handicraft, trade
    (професия) occupation, profession, vocation; walk of/in life
    занаятите the industrial/mechanical/useful arts
    упражнявам занаят follow/carry on/ply a trade
    всеки със занаята си everyone to his trade
    * * *
    заная̀т,
    м., -и, (два) зная̀та craft, handicraft, trade; ( професия) occupation, profession, vocation; walk of/in life; всеки със \занаята си everyone to his trade; давам някого да учи \занаят put s.o. to a trade; дърводелски \занаят carpentry; \занаятите the industrial/mechanical/useful arts; обущарски \занаят shoemaking; упражнявам \занаят follow/carry on/ply a trade; художествени \занаяти arts and crafts.
    * * *
    avocation; craft{kra;ft}; handicraft; job{djOb}; profession; skill (ам.); trade; vocation
    * * *
    1. (професия) occupation, profession, vocation;walk of/in life 2. -ите the industrial/mechanical/useful arts 3. craft, handicraft, trade 4. всеки със ЗАНАЯТа си everyone to his trade 5. давам някого да учи ЗАНАЯТ put s.o. to a trade 6. дърводел-ски ЗАНАЯТ carpentry 7. обущарски ЗАНАЯТ shoemaking 8. упражнявам ЗАНАЯТ follow/carry on/ply a trade 9. художествени ЗАНАЯТи arts and crafts

    Български-английски речник > занаят

  • 20 основен

    basic, fundamental, underlying
    (главен) main. chief, principal, cardinal
    (цялостен) radical, thorough-going
    (първичен) primary; тех. middle
    хим. basic
    основен доклад a main report
    основен закон a fundamental/basic law
    основен камък a foundation stone
    основен капитал basic/fixed capital, stock-in-trade
    основен материал source material
    основен преглед a thorough examination
    основен речников фонд a basic stock of words
    основен тон муз. и прен. keynote
    основна храна basic food, staple diet
    основна причина a fundamental cause
    основна работа a regular/full-time job
    основна слабост/грешка an inherent weakness/mistake
    основно почистване (на къща) a spring cleaning, (на машина и пр.) a thorough cleaning
    основното (в учение и пр.) the essential/main thing
    основни въпроси main/basic problems, background problems
    основни принципи underlying principles
    основни начала points of reference
    основни линии/черти terms of reference, basic lines
    в основните си черти/линии in substance, in the main
    основни познания thorough/intimate knowledge (no of)
    * * *
    осно̀вен,
    прил., -на, -но, -ни basic, fundamental, underlying, core; ( главен) main, chief, principal, cardinal; ( цялостен) radical, thorough(-going); ( първичен) primary; техн. middle; хим. basic; (за съчинения) standard; като същ. \основенното (в учение и пр.) the essential/main thing; в \основенните си линии in substance, in the main; \основенен доклад main report; \основенен камък foundation stone; \основенен капитал basic/fixed capital, stock-in-trade; \основенен материал source material; \основенен речников фонд basic stock of words; \основенен тон муз. (и прен.) keynote; \основенна биография standard life; \основенна гласна език. stem vowel; \основенна дума (в речник) key-word; \основенна книга (по даден въпрос) standard book; \основенна мисъл keynote; \основенна причина fundamental cause; \основенна работа regular/full-time job; \основенна слабост/грешка inherent weakness/mistake; \основенна храна basic food, staple diet; \основенни въпроси main/basic problems, background problems; \основенни моменти highlights; \основенни начала points of reference; \основенни познания thorough/intimate knowledge (по of); \основенни принципи underlying principles; \основенни цветове primary colours; \основенни черти terms of reference, basic lines; \основенните форми на механиката mechanical powers; \основенният проблем the gut problem; \основенно значение primary meaning; \основенно положение basic assumption; \основенно почистване (на къща) spring cleaning, (на машина и пр.) thorough cleaning; \основенно правило ground/cardinal rule; \основенно уреждане (на въпрос) comprehensive settlement; \основенно училище primary school.
    * * *
    basal; basic: основен capital - основен капитал; capital (главен); general (главен); main (главен): основен subject - основна тема; primal (главен): основен goal - основна цел; alkaline (хим.); cardinal (кардинален); elemental; essential (същностен); fundamental; middle (техн.); pivotal; rudimentary{ru;di`mentxri}; thorough (обстоен)
    * * *
    1. (главен) main. chief, principal, cardinal 2. (за съчинения) standard 3. (първичен) primary;mex. middle 4. (цялостен) radical, thorough-going) 5. basic, fundamental, underlying 6. ОСНОВЕН доклад a main report 7. ОСНОВЕН закон a fundamental/basic law 8. ОСНОВЕН камък a foundation stone 9. ОСНОВЕН капитал basic/fixed capital, stock-in-trade 10. ОСНОВЕН материал source material 11. ОСНОВЕН преглед a thorough examination 12. ОСНОВЕН речников фонд a basic stock of words 13. ОСНОВЕН тон муз. и прен. keynote 14. в основните си черти/линии in substance, in the main 15. основна биография a standard life 16. основна гласна a stem vowel 17. основна дума (в речник) key-word 18. основна заплата basic pay 19. основна книга (по даден въпрос) a standard book 20. основна мисъл keynote 21. основна причина a fundamental cause 22. основна работа a regular/full-time job 23. основна слабост/грешка an inherent weakness/mistake 24. основна храна basic food, staple diet 25. основни въпроси main/basic problems, background problems 26. основни линии/черти terms of reference, basic lines 27. основни начала points of reference 28. основни познания thorough/ intimate knowledge (no of) 29. основни принципи underlying principles 30. основни учебни предмети basic subjects/studies 31. основни цветове primary colours 32. основните форми на механиката mechanical powers 33. основно значение a primary meaning 34. основно положение a basic assumption 35. основно почистване (на къща) a spring cleaning, (на машина и пр.) a thorough cleaning 36. основно правило a cardinal rule 37. основно уреждане (на въпрос) a comprehensive settlement 38. основно училище a primary school 39. основното (в учение и пр.) the essential/main thing 40. съставям основната храна на form the staple diet of 41. хим. basic

    Български-английски речник > основен

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