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球阀和蝶阀该如何进行选择
2026-06-05
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Key Point:球阀与蝶阀是工业管道中最常见的两类四分之一回转阀门。两者均可通过90°旋转快速启闭，但在结构原理、密封性能、调节特性及经济性上各有侧重。本文从工程实战角度出发
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