root mesh mark齿轮: cogwheel; gear wheel wheel-l ...齿根: root dedendum啮合: clench the teeth mesh; engag ...印痕: impression; imprint; print; ...齿轮齿啮合: gear tooth engagement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:齿轮齿根啮合印痕，即可在微信中查询翻译
