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介绍了一种新结构中压反应釜用机械密封，它与传统釜用双端面机械密封相比结构简单、密封更加可靠，价格低廉。
A new type of mechanical seal for medium pressure reactor is introduced. Compared with traditional autoclave double-ended mechanical seal, its structure is simple, the seal is more reliable and the price is lower.