twin-pinion single-output reduction gear双: two; twin; both; dual主动齿轮: driving gear; drive gear whe ...单: singular number fate; destin ...出: used as a complement轴: axle; shaft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:双主动齿轮单出轴减速齿轮，即可在微信中查询翻译
