航海英語船舶物料及管理單項(xiàng)選擇題每日一練(2019.01.23)

來源：考試資料網(wǎng)

1 An instrument useful in predicting fog is the（）.

2 BHP stands for the（）of the main engine.

3 A small light tackle with blocks of steel or wood that is used for miscellaneous small jobs is called a（）.

4 Kort nozzles are installed around the propellers of some vessels to（）.

5 A double male coupling is one that（）.