The cast iron()for the cross-head are attached to the top section and seal off the crankcase.
时间:2019-04-13 16:04:08 关键词:cross,the,areThe cast iron()for the cross-head are attached to the top section and seal off the crankcase.
A.cylinder cover
B.cross-head shoes
C.guide-ways
D.scavenging boxe
答案解析
C
举一反三