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1 очень трудный
•Machining large complex parts like ship screws is a slow, arduous task for any machine shop.
Русско-английский научно-технический словарь переводчика > очень трудный
См. также в других словарях:
Accurizing — is the process of improving the accuracy of a firearm or airgun.cite web |url=http://saami.org/Glossary/index.cfm |title=SAAMI glossary |accessdate=2007 08 30] For firearms, accuracy is defined as the ability to hit exactly what you re aiming at … Wikipedia