inner gearinginternal gearinginternal toothing内: inner; inside; within齿: tooth啮合: clench the teeth mesh; engag ...齿轮齿啮合: gear tooth engagement齿啮合频率: tooth-mesh frequency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:内齿啮合,即可在微信中查询翻译