管件名称汉英对照 双盘短管 : Double flanged short pipes 双盘管 : Double flanged pipes 双盘带穿墙法兰管 : Double flanged pipes with puddle flange 双盘带双穿墙法兰管 : Double flanged pipes with double puddle flanges 双插短管 : Double spigot short pipes 双插带穿墙法兰管 : Double spigot pipes with puddle flange 双插带双穿墙法兰管 : Double spigot pipes with double puddle flanges 盘插短管 /单盘管: Flanged spigot pipes /Flanged spigots 盘插带穿墙法兰管 :