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單項(xiàng)選擇題

Defective timing gear in a diesel engine may lead to （）.

A.smoky exhaust
B.starting failure
C.overload
D.over speed

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單項(xiàng)選擇題

Defective governor in a diesel engine may lead to （）.

A.smoky exhaust
B.starting failure
C.ignition relay
D.over speed

單項(xiàng)選擇題

Defective air cooler in a diesel engine will lead to （）.

A.smoky exhaust
B.starting failure
C.overload
D.over speed

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