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：工作压强范围宽、在较高压强下有较大抽速、最大
压强较高。
)
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：工作压强范围宽、在较高压强下有较大抽速、最大压强较高。
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