航海英語(yǔ)船舶設(shè)備名稱(chēng)單項(xiàng)選擇題每日一練(2019.03.11)

來(lái)源：考試資料網(wǎng)

1 The series of valves used to control the return flow in well control operations is called the（）.

2 A strong back refers to a（）.

3 The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the（）.

4 Cargo pump relief valves are piped to the（）.

5 An example of a modern anchor which has a stock is a(n)（）.