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问题

When a diesel engine is operate at partial load, as compared to full load ,a decrease will


When a diesel engine is operate at partial load, as compared to full load ,a decrease will occur in the average _______.

A.air quantity aspirated

B.fuel injection pressure

C.combustion pressure on the power stroke

D.compression on the compression stroke

请帮忙给出正确答案和分析,谢谢!

参考答案
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