electro-coupling电: electricity联结: bind; tie; join; jointing; a ...器: implement; utensil; ware联结器: connector; coupler; coupling piece安全联结器: safety hitch下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:电联结器，即可在微信中查询翻译
