A plunger is mounted in the valve core.
柱塞安装在阀门的核心。
So as to enhance the life of the plunger valve.
从而提高了柱塞阀的使用寿命。
Take hold of the valve plunger and pull it out of the valve casing
握住电子管活塞并且从电子管防护罩中取出来
Industry Special Valves Valve Plunger valve Machine parts processing Ball Butterfly.
所属行业特殊阀门截止阀柱塞阀机械零部件加工球阀蝶阀
Development and Application of Break Prevention Top Valve Housing for Oil Well Pump Plunger
抽油泵柱塞防断上阀罩的研制与应用
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