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。
)前压,排压
,压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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成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
