航海英語船舶索具及保養(yǎng)單項(xiàng)選擇題每日一練(2019.01.08)

來源：考試資料網(wǎng)

1 What is a step in attaching a poured metal socket to a wire rope?（）

2 On a light tow，what could you substitute for a fishplate?（）

3 The knot used to join two lines of different diameter is a（）.

4 When a line is laid down in loose，looping figure-eights，it is said to be（）.

5 What can be used to measure the percentage of oxygen inside a chain locker?（）