单项选择题
A. spring line B. head line C. stern line D. ahead line
Put the（）（防鼠挡）on the lines.A. rat guardsB. stopping gua...
单项选择题Put the（）（防鼠挡）on the lines.
A. rat guards B. stopping guard C. fender D. plank
Pass the spring round the（）（滚筒）.A.bittsB.bollardC.drumD...
单项选择题Pass the spring round the（）（滚筒）.
A.bitts B.bollard C.drum D.bell
Send out your （）（拖缆）.A. towing lineB. heading lineC. to...
单项选择题Send out your （）（拖缆）.
A. towing line B. heading line C. towed line D. heaving line
