When a diesel engine is operate at partial load, as compared to full load ,a decrease will occur in the average （）<br>A:air quantity aspirated<br>B:fuel injection pressure<br>C:combustion pressure on the power stroke<br>D:compression on the compression stroke

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

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