A、A.吊杆的起吊能力为三至十吨不等
B、B.克令吊的起吊能力为三至十吨不等
C、C.他们每24个小时值两次班
D、D.起重机的起吊能力为为三至十吨不等
更多“Lifting capacities of derricks vary from three to ten tons. （）”相关的问题
A、increase the lifting capacity B、increase the lifting radius C、protect the slings D、protect the upper part of a load
A、increase the lifting capacity B、increase the lifting radius C、protect the slings D、protect the upper part of a load
A、A.increase the lifting capacity B、B.increase the lifting radius C、C.protect the slings D、D.protect the upper part of a load
A、length of the boom B、angle of the boom C、lifting capacity of the boom D、direction of the boom
A、increases the lifting capacity of the hook B、protects the hook from the sling ring C、prevents the sling ring from coming out of the hook D、All of the above
A、Heavy derrick is used for lifting large heavy cargo. B、Derrick is used for lifting large heavy cargo. C、Heavy derrick is used for lifting dry bulk cargo. D、Derrick is used for lifting dry bulk cargo.
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