塑料管码[Plastic pipe code]

塑料管码[Plastic pipe code]

布风器[Air distributor]

顶式布风器[Top distributor]

空气管头[Air pipe head]

特种管夹[Special pipe clamp]

U形管夹[U type pipe clamp]

钢质门[Steel door]

钢质门[Steel door]

气动应急关闭百叶窗[Pneumatic emergency closing shutter]

无门水密百叶窗[Watertight door shutter]

吊架[ Hanger]