基本解释推拔锉;尖锉英汉例句双语例句The chemical milling process forms a tapered portion (18) of the endodontic file (10).所述化学蚀刻过程形成了牙髓锉(10)的锥形部分(18)。ip.comtapered file更多例句专业释义机械工程尖锉经济学锥形锉