crank case

柯林斯詞典

crankcase /?kr??k?ke?s/

• 1. N the metal housing that encloses the crankshaft, connecting rods, etc, in an internal-combustion engine, reciprocating pump, etc (內(nèi)燃機(jī)、往復(fù)泵等的)曲軸箱

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