起吊物件（）捆缚平稳牢固，棱角快口部位应设衬垫，吊位应正确-查字典考试网

起吊物件（）捆缚平稳牢固，棱角快口部位应设衬垫，吊位应正确

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起吊物件（）捆缚平稳牢固，棱角快口部位应设衬垫，吊位应正确

A、必须
B、可以
C、无所谓

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