suction seal的意思|示意

The sealing strips seal the suction zones towards the roll interior where no vacuum is created.

密封条用于密封朝向（非真空的）辊内部的抽吸区。

Too much wear with dual - suction seal ring or impeller damaged.

双吸密封环磨损过多,或叶轮损坏.

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Too much wear with dual-suction seal ring or impeller damaged.

双吸密封环磨损过多，或叶轮损坏。

Friction between impeller and dual - suction seal ring.

叶轮与双吸密封环摩擦.

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Also use between tooth seal volume change to achieve suction hydraulic oil.

也是利用齿间密封容积的变化来实现吸油压油的。