... socket and spigot pipe 套筒管 spigot and socket pipe 钟栓式接头管 ; 承插管 Socket pipe fitting 承插管件 ...
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spigot and socket pipe WESTBANK 钟栓式接头管
Socket-and-spigot cast iron pipe 承插铸铁管
spigot-and-socket prestressed concrete pipe 承插式预应力混凝土管
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