circular thickness弧线: arc齿: tooth厚: thick正交截面弧线齿厚: normal arc tooth thickness齿厚: circular thickness; thickness of tooth; tooth thickness thriller movie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:弧线齿厚，即可在微信中查询翻译
