The chief features of this kind of pump are the wider range of working pressure, the higher pumping speed at the higher pressure and the higher maximum forepressure.
这种泵的主要特点是：工作压强范
、
较高压强下有较
抽速、最
压强较高。
)前压,排压力,压力The chief features of this kind of pump are the wider range of working pressure, the higher pumping speed at the higher pressure and the higher maximum forepressure.
这种泵的主要特点是：工作压强范、较高压强下有较抽速、最压强较高。
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