undercut gage倒: reverse凹: low-lying area; depression测量: survey; measure器: implement; utensil; ware倒凹测量装置,倒凹测量仪: undercut gauge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:倒凹测量器，即可在微信中查询翻译
