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連成(集團)有限公司廣東總經(jīng)銷(xiāo)

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  • 增加立式自吸泵的吸水高度的可行方法立式自吸泵的密封方式和別的離心泵不一樣,它的軸封是沒(méi)有的,選用無(wú)密封構造,這種構造的優(yōu)點(diǎn)就是在泵發(fā)動(dòng)時(shí)不必灌引水,不必排空氣,水管內一向充溢了水,增加...2016-09-14 10:02:35
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