航海英語(yǔ)船舶結(jié)構(gòu)與布置單項(xiàng)選擇題每日一練(2019.01.17)

來(lái)源：考試資料網(wǎng)

1 A tonnage tax is levied according to the（）.

2 A “full service” Loran-C receiver will provide（）.

3 A “check” line is（）.

4 A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?（）

5 A backlash below a lock is defined as a（）.