A.1.5m B.1m C.0.5m D.2m
A.可以短時(shí)間超過起重設(shè)備的額定載荷 B.不允許超過起重設(shè)備的額定載荷 C.不允許超過起重設(shè)備的總質(zhì)量 D.可超過起重設(shè)備的工作負(fù)荷