單項(xiàng)選擇題

A person referring to the stern sheets of a lifeboat is speaking of（）.

A.the line attached to the tack of the lugsail
B.the emergency rudder
C.a canvas awning
D.the aftermost seating

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單項(xiàng)選擇題

（）is used for heaving up and slacking away the anchor and chain.

A.A winch
B.A windlass
C.A deck crane
D.A lifeboat engine

單項(xiàng)選擇題

Frapping lines are fitted to lifeboat davits to（）.

A.secure the lifeboat in the davits when in the stowed position
B.bring the lifeboat close along the rail in the embarkation position
C.give the occupants a safety line when the boat is being lowered from the embarkation level
D.reduce the swinging of the lifeboat at the embarkation level

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A person referring to the stern sheets of a lifeboat is speaking of（）.

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（）is used for heaving up and slacking away the anchor and chain.

Frapping lines are fitted to lifeboat davits to（）.