two-speed reversing gear双: two; twin; both; dual速: fast; rapid; quick; speedy齿轮: cogwheel; gear wheel wheel-l ...逆转装置: inversion set双速齿轮传动装置: two speed gear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:双速齿轮逆转装置，即可在微信中查询翻译
