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问题

If the jacket water temperature of an operating diesel engine suddenly rises above normal,


If the jacket water temperature of an operating diesel engine suddenly rises above normal, the cause can be attributed to _____.

A.an overfilled expansion tank

B.excess chromate treatment of the jacket water

C.a clogged raw water sea suction

D.cavitation erosion of the heat exchanger tubes

请帮忙给出正确答案和分析,谢谢!

参考答案
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