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【单选题】
在凸轮式时序控制器中,锁紧螺母的作用是——。A.
防止标度盘在转动中复位
B.
把微动开关固定在标度盘上
C.
防止标度盘相对转轴滑移
D.
限制微动开关的动作幅度
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【简答题】Kelly’s husband Craig said it was the first mountain to add to ( ) that he gave her. ( )
【简答题】Many years ago, there was a family named Franklin. They lived in Boston. There were five girls and six boys in the family. On a January day in 1706 another baby boy was born. The boy’s mother and her ...
【判断题】The husband usually gave in when he had disagreement with his wife. But this time, he stuck to his opinion.
A.
正确
B.
错误
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