“knuckle man”的概念、定义、翻译、参考文献-科学参考

单词	knuckle man
释义	knuckle man [`nǝk·ǝl ´man] ^{MINING ENGINEERING} A worker who connects mine cars to and disconnects them from cables and also couples cars into trains.
随便看	cold extrusion cold-finished steel cold flow cold-flow test cold forging cold forming cold front cold-front-like sea breeze cold-front thunderstorm cold galvanizing cold gas approximation cold glacier cold heading cold hemagglutination cold high cold injury cold inspection cold joint cold junction cold lap cold light cold lime-soda process cold low cold molding cold neutron

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