单项选择题
A shepherd’s crook is used to().
A.lower spring buoys into the water B.find an anchor after the buoy has been lost C.transfer a pennant wire to the anchor handling boat D.clean chain as it is hauled into the rig
单项选择题 A sheepshank is used to().
单项选择题 A serving mallet is used in().
单项选择题 A rope ladder with wooden rungs is a().