水手英語甲板值班單項(xiàng)選擇題每日一練(2019.01.13)

來源：考試資料網(wǎng)

1 鈕鎖、拉桿、橋鎖、橋板是用于綁扎集裝箱的工具。（）

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

3 The running wheel runs along the （）(導(dǎo)軌)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 （）.