英德
有道
百度
谷歌
图片
维基
百科
平衡孔
balance pipe
- 喷嘴装置在阀座下端，阀芯设置有平衡孔，阀芯套开设有节流孔。
The nozzle equipment is at the bottom of the valve seat; the valve spool has a balancing hole; the valve spool bush has an orifice. - 轴向力由副叶片或平衡孔平衡，对于径向力在的规格采取了双壳体设计；
Axial force is balanced by back vane or balanceable hole, for the specification with big radial force; we adopt double-wear passage design. - 叶轮采用平衡孔平衡轴向力，叶轮前后盖板均设有可更换的密封环，保护叶轮及泵体。
Impeller adopts balance hole to balance axial force. There is replaceable seal ring in front and back cover board of impeller to protect impeller and pump.
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