Double Flanged Butterfly Valve 是什么
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Double Flanged Butterfly Valve 是什么
![Double Flanged Butterfly Valve 是什么](/uploads/image/z/1480875-51-5.jpg?t=Double+Flanged+Butterfly+Valve+%E6%98%AF%E4%BB%80%E4%B9%88)
就是对夹式的蝶阀,也可以叫做 WAFER Butterfly Valve .
Double Flanged Butterfly Valve 是什么
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