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介绍了一种无填料密封、零外泄漏、无惯性及定位停车准确的屏蔽式永磁步进全封闭电动闸阀的结构特点和工作性能。
This paper introduces the structural features and workability of a shielded permanent magnet stepping fully enclosed electric gate valve with no packing seal, zero leakage, inertial and accurate parking.