问题描述:
[单选]
The piston supporting body is mainly subjected to()stress.
A.pushing
B.centrifugal
C.stretch
D.compressive
参考答案:查看无
答案解析:无
☆收藏
答案解析:无
☆收藏
上一篇:The plunger in the fuel injector pump, usually operated by a(), is driven up and down when working.
下一篇:The piston rings if found worn out()and supplied by shipchandler.
- 我要回答: 网友(216.73.216.29)
- 热门题目: 1.吊缸主机检修时,应当(),以 2.起吊活塞组件应(),以防超重 3.拆装螺母时,不符合安全操作规
