A.The ballast system
B.The salt water system
C.The bilge system
D.The domestic system
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A.A relief valve
B.An alarm
C.A pressure gauge
D.A non-maim valve
A.A top tank
B.A head tank
C.A head valve
D.A drain tank
A.Piston
B.Sounding
C.Regulating
D.Connecting
A.A piston
B.A fuel injection pump
C.A feed water pump
D.A lube oil pump
A.The higher；the more
B.Higher；more
C.Higher；little
D.The higher；the less
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The main purpose of the piston oil scraper rings is to （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Proper filtering and straining of fuel oil is important because the （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
An automated diesel engine should normally shut down due to （）
In a simple mechanical governor, the （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
A diesel engine piston ring face is in direct contact with the （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Maximum horsepower of a diesel engine is attained （）.