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1 заземлять металлоконструкции должны быть заземлены
Sakhalin energy glossary: metalwork should be earthedУниверсальный русско-английский словарь > заземлять металлоконструкции должны быть заземлены
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2 металлоконструкции должны быть заземлены
Sakhalin energy glossary: metalwork should be earthedУниверсальный русско-английский словарь > металлоконструкции должны быть заземлены
См. также в других словарях:
Earth leakage circuit breaker — An Earth Leakage Circuit Breaker (ELCB) is a safety device used in electrical installations with high earth impedance to prevent shock.PurposeMany electrical installations have a relatively high earth impedance. This may be due to the use of a… … Wikipedia
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Antique radio — DIORA AGA RSZ 50 ca.1947 from Poland An antique radio is a radio receiving set that is collectible because of its age and rarity. Although collectors may differ on the cutoff dates, most would use 50 years old, or the pre World War II Era, for… … Wikipedia
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AC/DC (electricity) — Electronic equipment designed to run off either alternating current (ac) or direct current (dc) power is described as ac/dc or AC/DC equipment. This usage has become obsolete with the vacuum tube. Some equipment is inherently able to use either… … Wikipedia
