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離心泵?運轉時,液體壓力沿著離心泵入口到葉輪入口而下降,在葉片入口附近的K點上,液體壓力pK最低。此后由于葉輪對液體作功,液體壓力很快上升。當葉輪葉片入口附近的壓力pK小于液體輸送溫度下的飽和蒸汽壓力pv時,液體就汽化。同時,使溶解在液體內的氣體逸出。它們形成許多汽泡。
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YISHANGCUOSHIKEGENJUBENGDEXUANXING、XUANCAIHEBENGDESHIYONGXIANCHANGDENGTIAOJIAN,JINXINGZONGHEFENXI,SHIDANGJIAYIYINGYONG。
YISHANGJIUSHIGUANYULIXINBENGDEXINGYEFENXIANG,XIWANGDAJIANENGGOUXIHUAN。
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