航海英語(yǔ)船舶設(shè)備名稱(chēng)單項(xiàng)選擇題每日一練(2019.01.11)

來(lái)源：考試資料網(wǎng)

1 All electrical appliances aboard a vessel should be grounded to（）.

2 A term applied to the bottom shell plating in a double-bottom ship is（）.

3 The portable radio apparatus means（）.

4 Static electricity may be built up by the（）.

5 Limit switches are used on which davits?（）