水手英语甲板值班单项选择题每日一练(2019.01.13)

来源：考试资料网

1 钮锁、拉杆、桥锁、桥板是用于绑扎集装箱的工具。（）

2 The safe working load of the （）is 100 tons.

3 The running wheel runs along the （）(导轨)on the hatch coaming top.

4 The SWL of the derricks are different from 5 tons to 10 tons.（）

5 Look, the derrick is too high. I want it adjusted （）.