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、最大出口压强较高。
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、最大出口压强较高。
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