This paper introduces the basic principle and structure of liquid-filled flexible hose Seal, the installing method and operation regulation in oil tank.
介绍了管式密封基本原理和构成，管式密封在石油储罐中的安装方法和使用注意事项。
Linear seal technology with magnetic liquid is a new method for dynamic seal, which can accomplish linear seal and rotary motion seal.
磁性液体直线密封是一种新的动态密封技术，它能够完成直线和旋转密封。
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