A.an oily water separator
B.a purifier
C.a centrifugal compressor
D.a clarifier
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A.air
B.black oil
C.water
D.ice cream
A.rather than
B.other than
C.in addition that
D.except for
A.ballast water
B.boiler water
C.bilge water
D.sewage water
A.Boiler
B.Incinerator
C.Oily water separator
D.Sewage treatment unit
A.many thousand times larger than
B.the same as
C.many thousand times smaller
D.none of the above
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The control mode in which the final control element is moved from one of two flexed positions to the other is known as （）.
When the steering gear is in operation, you should （）.
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The rate of heat transfer between the hot and cold fluids passing through a shell-and-tube type heat exchanger will （）.