Designing the newer Hydraulic Seal for Centrifuger
离心机液压传动新型输油密封设计
The test tube is closed at one end with a hydraulic seal.
试管的一端为水封所封闭。
The oil pump drive gear oil seal is damaged, the air into the hydraulic system.
油泵主动齿轮油封损坏，空气进入液压系统。
Practice or Applying Hydraulic Water Seal to Deep Orifice Radial Gate at Manwan Station
漫湾电站深孔弧形闸门应用液压式水封的实践
The seal between piston and hydraulic cylinder used development machines, structure forms and operations are introduced.
介绍了掘进机液压缸与活塞处的密封结构形式以及使用。
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