?钟栓式接头管

... spigot 插口，塞头 spigot and socket pipe 钟栓式接头管 spigot joint 套管接 ...

?承插管

... 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 ...

?窝接式接头管

窝接式接头管 spigot and socket pipe 拉杆球窝 drag link ball socket ..