A.occurred
B.occurring
C.not happening
D.occur
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A.gases
B.paints
C.inhibitors
D.detergent
A.agent
B.shipchandler
C.surveyor
D.engineer
A.principle
B.principal
C.cause
D.case
A.renewed
B.welded
C.machined
D.chromium-plated
A.film
B.cap
C.lacquer
D.shell
最新試題
An automated diesel engine should normally shut down due to （）
White smoke exhausting from an operating diesel engine may indicate （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
To determine if the lube oil filter elements need changing, （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Proper filtering and straining of fuel oil is important because the （）.
Maximum horsepower of a diesel engine is attained （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）