“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	splash erosion splash lubrication splatter splay splayed arch spleen splenectomy splenic fever splenic flexure splenium splenomegaly splent coal spli-base concept splice spliced splice plate splicing tape spline spline broach splined shaft splint splint coal split split-altitude profile split-anode magnetron

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