中級(jí)挖掘機(jī)司機(jī)單項(xiàng)選擇題每日一練(2019.01.25)

A.2
B.3
C.4
D.5

A.5
B.6
C.7
D.8

A.
B.
C.
D.

A.轉(zhuǎn)軸
B.橫軸
C.傳動(dòng)軸

A．0.40%
B．0.30%
C．0.20%
D．0.10%