航海英語船舶索具名稱單項選擇題每日一練(2019.01.14)

來源：考試資料網(wǎng)

1 Extended cyclical variations in tensions will cause an anchor chain to break due to（）.

2 A rolling hitch can be used to（）.

3 The purpose of a devil’s claw is to（）.

4 A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a（）.

5 A whipping is（）.