承插焊法兰 socket welding flange ; SW ; SOCKET WELD
承插支管台 sockolet
承插焊端 socket welding end
承插焊接 socket weld ; SW
承插焊的 socket welded
承插连接 bell and spigot joint
承插焊 SW ; socket-weld ; sock welded
承插焊连接 socket welded joint ; Socket welding flange SW
承插管 socket pipe ; spigot and socket pipe ; Spigot And Faucet Pipe ; Screw and Socket Steel Tubes
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