A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo

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A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST _____.

A.reduce the engine load

B.increase the cooling water flow

C.increase the lube oil pressure

D.adjust the fuel rack

请帮忙给出正确答案和分析,谢谢!

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