retracting mechanism of umbilical connector脱落: drop; fall off; come off; sh ...脐带: umbilical cord; funicle; umb ...插头: plug; plug contact; male plu ...回收: retrieve; recover; reclaim; ...机构: mechanism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:脱落脐带插头回收机构，即可在微信中查询翻译
