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【多选题】
台虎钳加紧工件时不允许用手锤敲击手柄，也不允许随意套上长管扳紧手柄，以免损坏（）。
A.
手柄
B.
丝杠
C.
螺母
D.
钳身
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】After the birth of my second child，I got a job at a restaurant.Having worked with an experienced 16for a few days，I was 17to wait tables on my own.All went 18that first week.When Saturday night came，I...
A.
repeated
B.
discovered
C.
corrected
D.
described