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單項(xiàng)選擇題

Emulsification of oil will occur when mixed with （）.

A.air
B.black oil
C.water
D.ice cream

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單項(xiàng)選擇題

The bilge main is arranged to drain any watertight compartment （） ballast, oil or water tanks and to discharge the contents overboard.

A.rather than
B.other than
C.in addition that
D.except for

單項(xiàng)選擇題

Oil water separators are used to ensure that ships dont discharge oil when pumping out （）.

A.ballast water
B.boiler water
C.bilge water
D.sewage water