活管套接头 union joint

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

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

螺纹套管接头 [机] screw joint

套管接头器 sleeve splicer ; sleeve licer

套管异径接头 casing adapter ; casing sub ; casing substitute ; casing substitution

扩口套管接头 spigot joint

外喇叭口套管接头 flare tube fitting

加套管焊接接头 sleeve-weld joint