When a cargo boom or crane is rated at varying capacities，there will be a table at the controls which relates safe working load to（）. -题库考试答案搜索网

When a cargo boom or crane is rated at varying capacities，there will be a table at the controls which relates safe working load to（）.

单选题

2022-05-21 09:28

A、winch speed
B、boom strength
C、load radius
D、cable strength

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正确答案

C

试题解析

标签：货物装卸货作业

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