A.a sump tank
B.a feed well
C.a double bottom tank
D.a drain tank
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A.fresh water
B.sea water
C.lubrication
D.fuel oil
A.valve loop
B.valve uniflow
C.valve overlap
D.valve grinding
A.the inlet valve is open
B.the exhaust valve is open
C.both valves are close
D.both valves are open
A.less than
B.greater than
C.equal to
D.twice larger than
A.less than
B.greater than
C.equal to
D.twice larger than
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