Fuel oil injected into the cylinder of a diesel engine just after the piston passes top dead center, will（）<br>A:increase engine power<br>B:increase engine load<br>C:decrease engine power<br>D:improve fuel economy

Fuel oil injected into the cylinder of a diesel engine just after the piston passes top dead center, will（）
A:increase engine power
B:increase engine load
C:decrease engine power
D:improve fuel economy

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