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【单选题】
在数控机床上安装工件,当工件批量不大时,应尽量采用 ( ) 夹具。A.
专用夹具
B.
气动夹具
C.
组合夹具
D.
液动夹具
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反馈参考答案：
举一反三
【简答题】Workers who have to work on weekends are paid twice the normal wages. And in the case of national holidays, they get triple pay.
【单选题】MOOC是以下( )的缩略语。
A.
Massive Open Online Classes
B.
Massive Open Offline Courses
C.
Massive Open Online Courses
D.
Massive Online Open Courses
【简答题】With the help of our guide, we finally to the top of the mountain.
【简答题】什么是爆燃?对发动机工作有何危害?
【简答题】With the help of our guide, we finally__________to the top of the mountain.
【简答题】Workers who have to work on weekends are paid twice the normal wages. And ___ national hilidays, they get triple pay.
【简答题】With
the help of our guide, we finally
to the top of the mountain. (make it)
【单选题】Workers who have to work on weekends are paid twice the normal wages. And _____ national holidays, they get triple pay.
A.
faced with
B.
engaged in
C.
i n the case of
D.
turning the tide against
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