1.boltjoint  2.lted(bolt)connection  3.boltconnectedjoint  4.boltedfastening  

螺的英語翻譯：

snail; spiral shell; whorl

栓的英語翻譯：

bolt; cleat; cork; forelock; pin; plug; shutoff; spigot; tether
【醫(yī)】 plug

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