BNMS系统维护授权模板信息时,同一授权模板下同一ID标识企业操作员不能在授权级次中重复添加。()
参考答案:对
They will go to their __________ home to have big family get together. [ ]
A. grandma and grandpa's
B. grandma's and grandpa's
C. grandma' and grandpa
D. grandma and grandpa.
过盈连接配合表面的加工精度要求较高,否则()
A.加工困难
B.装配困难
C.加工易
D.装配容易