thinning钻: drill; auger刃: the edge of a knife,sword,et ...磨: mill; millstones薄: duckweed钻刃磨薄机: thinning machine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:钻刃磨薄，即可在微信中查询翻译
