你可能感興趣的試題

Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by （）.

A.heat conduction into the injected fuel oil
B.heat conduction into the water jacket wall
C.water circulation through passages in the holder
D.fuel oil circulation through passages in the holder

單項(xiàng)選擇題

In a diesel engine cooling water system, a pH of 60 indicates a/an （）.

A.slightly acidic condition
B.slightly alkaline condition
C.overtreatment of water
D.neutral condition of water

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The pH value of water in a diesel engine closed cooling water system should be maintained between （）.

你可能感興趣的試題

Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by （）.

In a diesel engine cooling water system, a pH of 60 indicates a/an （）.