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爆系列排沙排污潜水电泵采用空气密封结构，机械密封电缆引线装置密封全部设置在空气室中，与介质隔开，使密封件免受水与泥沙的磨触，使电机密封可靠，提高了整机的使用寿命。 bqs(w)防
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爆系列排沙排污潜水电泵采用空气密封结构，机械密封电缆引线装置密封全部设置在空气室中，与介质隔开，使密封件免受水与泥沙的磨触，使电机密封可靠，提高了整机的使用寿命。 bqs(
http://blog.alighting.cn/jinglugk/archive/2010/9/27/99998.html2010/9/27 10:05:00
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