The cast iron guide-ways for () are attached to the top section and seal off the crankcase.

时间:2019-04-13 16:20:12 关键词:for,ways,attached

The cast iron guide-ways for () are attached to the top section and seal off the crankcase.

A.the connecting rod

B.the cross-head

C.the piston rod

D.the air box

答案解析

B