gearing传动装置: transmission; gearbox; geari ...传动: transmission; drive; driving ...啮合: clench the teeth mesh; engag ...内外啮合链传动装置: over and under chain gear泵传动装置: pump drive assembly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:传动装置；传动；啮合，即可在微信中查询翻译
