normal thickness taperstandard thickness正常: normal; regular; average齿: tooth厚: thick收缩: contract; shrink齿厚收缩: thickne taper; thickness taper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:正常齿厚收缩,即可在微信中查询翻译