A.avoid false alarms as a result of condensing water vapor
B.avoid danger of frost under very cold weather
C.reduce the viscosity of the crankcase atmosphere in order to improve the fluidity
D.keep the temperature of the oil mist detectors in an appropriate range
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A.The oil mist detectors
B.The smoke detectors
C.An oily water monitor
D.Oil discharge monitoring and controlling system
A.detract
B.extract
C.pump up
D.pump down
A.How they finished
B.How did they finished
C.That how they finished
D.That how did they finished
A.6%
B.8%
C.10%
D.12%
A.Class A
B.Class B
C.Class C
D.Class D
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