半负荷泵〈主机〉：half load pump 半贯流式轴流泵；弯管轴流泵：angle-type axial flow pump 半开式叶轮离心泵：centrifugal pump with semien closed impellerpump ..
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半负荷泵〈主机〉：half load pump 半贯流式轴流泵；弯管轴流泵：angle-type axial flow pump 半开式叶轮离心泵：centrifugal pump with semien closed impellerpump ..
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