



| 风管蝶阀 矩形圆形风管蝶阀为控制风速,调节风量的作用, 其操作方便,结构灵巧,可直接安装在风管上, 阀体采用优质钢板制成,表面颜色可根据客户需求。 |














.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
风管蝶阀