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單項選擇題

The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the （） systems.

A.fuel treatment
B.fuel combustion
C.fuel injection
D.fuel separating

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單項選擇題

The fuel is supplied to the pump through ports or openings in the （） or cylinder of the pump.

A.bottle
B.injector
C.piston
D.barrel

單項選擇題

The fuel injector pump is operated by （） which drives the plunger up and down.

A.a separate motor
B.a cam
C.a generator
D.a chain

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