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本文介绍了用新型磁性材料——磁液作密封体的旋转轴真空密封馈入装置的结构、性能、密封机制,并给出了有关真空度及泄漏率的测试数据。
In this paper, the structure, performance and sealing mechanism of the vacuum sealing feedthrough of a rotating shaft of the sealing body with a new type of magnetic material - magnetic fluid are introduced. And the test data about the vacuum degree and the leakage rate are given.