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單項(xiàng)選擇題

My drafts are 28 feet（）and 29 feet aft.

A.fore
B.advance
C.before
D.beforehand

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單項(xiàng)選擇題

Keeping the draft at or below the load line mark will insure that the vessel has adequate（）.

A.ballast
B.reserve buoyancy
C.displacement
D.rolling periods

單項(xiàng)選擇題

It’ll affect neither the draft（）the rotation of discharging.

A.or
B.and
C.nor
D.either

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