單項(xiàng)選擇題

Put the（）（防鼠擋）on the lines.

A. rat guards
B. stopping guard
C. fender
D. plank

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單項(xiàng)選擇題

Pass the spring round the（）（滾筒）.

A.bitts
B.bollard
C.drum
D.bell

單項(xiàng)選擇題

Send out your （）（拖纜）.

A. towing line
B. heading line
C. towed line
D. heaving line