动力齿轮系 动力传动轮系 动力传动系
Power gear train, power transmission gear train, power transmission system
以上为机器翻译结果，长、整句建议使用 人工翻译 。
另一个动力辊变速 机构是：在所述从动齿轮介轴上还装有齿系传动轮，该齿系传动轮 将运动副传递给上辊轴。
The other speed shifting mechanism is a shaft of the driven gear that is provided with a tooth driving wheel that puts the roll shaft in motion through transmission.
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模块上移
模块下移
不移动