这种密封装置采用非接触迷宫螺旋密封型式，克服了固体颗粒造成的磨损；
The new sealing device adopts non-contact labyrinth spiral sealing mode, prevents the wear caused by the solids.
介绍了一种新研制成功的专利产品——径向迷宫式回转轴密封装置。
A new developed patent product, radial labyrinth drive shaft sealing unit was introduced.
设计的一种气体保护填料迷宫组合密封结构可以解决粉体介质密封因粉体颗粒进入密封装置引起密封表面磨损导致密封失效问题。
A gas protection seal for powder was designed to solve the problem that powder into seal makes seal surface wore, which results in seal failure.
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