单选题起吊活塞组件应(),以防超重。A核算活塞组件的重量B核对绳索的许用荷重C检查钓钩重心与零件重心的一致性DA+B+C

单选题
起吊活塞组件应(),以防超重。
A

核算活塞组件的重量

B

核对绳索的许用荷重

C

检查钓钩重心与零件重心的一致性

D

A+B+C


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