题目内容

The safety stopper that prevents the anchor cable from running free if the cable jumps the

A. riding pawl
B. devil's claw
C. buckler plate
D. spill pipe

查看答案

搜索结果不匹配？点我反馈

更多问题

A stopper used in securing the ground tackle for sea that consists of a grab attached to a

A. riding pawl
B. buckler
C. devil’s claw
D. locking ring

The word “breadth of a vessel” in International Regulations for Preventing Collision at Sea 1972 means ______.

A. The molded breadth
B. The registered breadth
C. The breadth amidships
D. The maximum breadth

对于低压配电网，配电容量在100KW以下时，设备保护接地的接地电阻不应该超过()。

电气火灾发生时应先切断电源再扑火，但不知或不清楚开关在何处时，应剪断电线剪切时要()。