A.the scavenging air
B.the exhaust gases
C.the mixed air
D.the spray oil
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A.pinion arrangement
B.push rod
C.handle bar
D.cam device
A.crankshaft
B.camshaft
C.piston rod
D.rack and pinion
A.fresh water
B.sea water
C.lubrication
D.fuel oil
A.pushing
B.centrifugal
C.stretch
D.compressive
A.must replace
B.must to be equipped
C.has to be repaired
D.have to be renewed
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When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
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Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.