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單項(xiàng)選擇題

The （） is used for hauling in or letting out the wires or ropes.

A.windlass
B.anchor capstan
C.turning gear
D.winch barrel

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單項(xiàng)選擇題

（） may be fitted for operating the derrick topping lift (the wire which adjusts the derrick height).

A.A capstan
B.A hold
C.A warp end
D.A mooring drum

單項(xiàng)選擇題

（） provides the head or pressure to supply the domestic water where required.

A.The compressed air
B.The compressing air
C.The transfer pump
D.The head tank