航海英語(yǔ)船舶結(jié)構(gòu)基本知識(shí)單項(xiàng)選擇題每日一練(2019.01.08)

來(lái)源：考試資料網(wǎng)

1 The primary barrier of a bulk carrier is formed by（）.

2 （）is the main center-line structural member，running fore and aft along the bottom of a ship，sometimes referred to as the backbone.

3 The main function of the drawworks on a ship is to（）.

4 The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a（）.

5 The safety stopper that prevents the anchor cable from running free if the cable jumps the wildcat is the（）.