单项选择题

If your vessel is dragging her anchor in a strong wind，you should（）.

A.shorten the scope of anchor cable
B.increase the scope of anchor cable
C.put over the sea anchor
D.put over a stern anchor

<上一题目录下一题>

热门试题

单项选择题

Production of mechanical foam by a portable in-line foam proportioner（）.

A.increases the size of foam bubbles formed
B.increases the rate of foam production
C.improves the extinguishing properties of foam
D.gives the nozzleman more freedom of movement，since it can be placed anywhere in the hose line

单项选择题

Marline is（）.

A.four-stranded sisal line
B.three-stranded cotton line
C.sail twine
D.two-stranded hemp cord