The rate of fuel injection in a diesel engine cylinder depends primarily on （）.<br>A:the size of the holes in the fuel nozzle<br>B:timing of the pump<br>C:supply pressure to the pump<br>D:shape of the combustion chamber

The rate of fuel injection in a diesel engine cylinder depends primarily on （）.
A:the size of the holes in the fuel nozzle
B:timing of the pump
C:supply pressure to the pump
D:shape of the combustion chamber

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