接合螺帽

【机】 union nut

接合的英语翻译：

joint; anastomosis; cement; coalesce; commissure; fay; inosculate
inosculation
【计】 interfacing
【医】 attachment; coapt; coaptation; conjugation; connection; cooptation
copulation; junctura; nexus; synapsis; syndesis; synthesis; synthesize
zygo-; zygosis

螺帽的英语翻译：

screw cap
【机】 nut