单项选择题
A centrifuge arranged to separate impurities and small amounts of water from oil is known as （）.
A.an oily water separator
B.a purifier
C.a centrifugal compressor
D.a clarifier
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相关考题
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单项选择题
A centrifuge arranged to separate two liquids is known as （）.
A.an oily water separator
B.a purifier
C.a centrifugal compressor
D.a clarifier -
单项选择题
Emulsification of oil will occur when mixed with （）.
A.air
B.black oil
C.water
D.ice cream -
单项选择题
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
