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發(fā)布時(shí)間: 2012-11-10 20:54
正文摘要:按其工作原理可分為兩類: 1.泵殼做成特殊結(jié)構(gòu) 排出端具有氣水分離作用,在起動(dòng)期間能利用存留在泵內(nèi)的液體,反復(fù)進(jìn)出葉輪,將泵和吸人管內(nèi)的氣體裹攜出去。這類 ... |
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