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(3.129.25.216)
- 热门题目: 1.废气锅炉允许的废气压力损失, 2.废气锅炉窄点越(),排气的压 3.废气锅炉窄点越(),锅炉受热