对径向轴承瓦背接触面和过盈量有什么要求?
参考答案:
1)瓦背接触面应均匀,接触面应不小于85%。
2)瓦背过盈量在0.03~0.05mm。
— We've just sold out the last copy of this dictionary.
— Well, it doesn't matter. I think I might get ____ in another bookshop. [ ]
A. one
B. that
C. this
D. it
对重点罪犯必须做到()固定。
A、床位
B、学习座位
C、劳动岗位
D、队列位置