数控机床组成部件中实现A/D转换的部件是()。
参考答案:检测反馈装置
— Would you mind if I take the seat next to yours?
— ___________.
A.Yes, sit down please
B.No, go ahead
C.Surely, never mind
D.No, you can’t take it
月甲车工完成合格产品720件,实耗工时为160,并知该产品车加工产量定额为3件/工时。该车工劳动定额的完成情况是多少()
A.120%
B.140%
C.130%
D.150%