你可能感興趣的試題

If the plunger or barrel of a fuel injection jerk pump becomes damaged,（）

A.only the replacement of the entire pump would be acceptable
B.the injection pump and injection nozzle must be replaced
C.either the barrel or plunger must be replaced
D.the barrel and plunger must be replaced as a unit

單項選擇題

In a modern internal combustion diesel engine, the load carrying part of the engine is referred to as the（）

A.bedplate or base
B.sump or oil pan
C.cylinder block
D.frame

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