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介绍一种压力平衡式的单腔双阀瓣式虹吸破坏阀 ,此阀已获得国家专利 (专利号 :ZL0 2 2 65481 .X)。
This paper introduces a pressure balanced one-chamber double-valve siphon valve, which has obtained the national patent (patent number: ZL0 2 2 65481 .X).