支管接套 branch sleeve

汽管接套 steam pipe joint sleeve

套管接箍 [油气] Casing Coupling ; casing collar ; [油气] casing joint

套管接头 sleeve joint ; muff joint ; pipe coupling ; socket joint

连接套管 splicing sleeve ; connecting sleeve ; splice ; adapter sleeve

套接管 [建] faucet pipe ; ferrule

卡套式管接头 Bite type fittings ; ferrule fitting ; eremeto-type fitting

焊接套管 welding socket ; welded casing ; soldering sleeve ; electric-welded casing

活管套接头 union joint

螺纹套管接头 [机] screw joint