99亚洲狠狠色综合久久位-99亚洲精品色情无码久久-99亚洲男女激情在线观看-9国产露脸精品国产麻豆-亚洲一区精品中文字幕-亚洲一区精品伊人久久

重錘單層翻版閥Double Flap Gate Valve

重錘單層翻版閥,主要作為旋風分離器與除塵器以及各種烘干機、料倉等設備底部的卸料裝置，防止外風進入。其廣泛應用于化工、食品、建材、冶金、電力等行業。

The double flap gate valve,sometimes called a double airlock valve.It’s a dischange device for cyclone,dust collector and dryer to prevent the outside wind.It widely applies in the chemical industry,the food industry,the building materials profession,electric power profession and ect…