【化】 threaded joint

螺紋的英語翻譯：

screw thread; whorl; worm
【機】 screw thread; thread

接合的英語翻譯：

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