The working principle of the orifice-plate measuring method of flow quantity was introduced.
介绍了孔板测量流量方法的工作原理。
When this method is applied, the quantity of electricity is found to be affected by voltage between electrodes and gasoline flow.
在用这种方法给汽油荷电时，电极电压和汽油流量影响着荷电量的大小。
In the past time, the method of adjusting gate plate or throttle was usually used to control flow quantity. The method is simple but causes much loss of power.
过去多是采用调节档板或节流阀的方法控制流量，这种方法虽然简单，但损失了大量的电能。
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