题目内容

下面和发动机无关的部件是()

A. Diesel filter
B. Engine oil filter
C. Air filter element
D. Pilotfilter

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下面哪个部件不属于挖掘机的液压系统()

A. hydraulic pumu
B. hydraulic cylinder
C. hydraulic valve
D. hydraulic breaker

一般的履带挖掘机中没有哪种部件()

A. idler cushion
B. track assy
C. hydraulic motor
D. transmission

挖掘机的英文名称为()

A. Scrapper
B. Road Roller
C. Excavator
D. Crane

下面哪个属于挖掘机的属具()

A. bucket
B. reaker hammer
C. hydraulic pump
D. valve

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