一档变速传给车轮的转矩比五档传出的转矩大，因为一档变速有大的传动比，而大的降速比则加大了驱动力矩。
More torque can be sent to the wheels in first gear than in fifth gear because first gear has a larger gear-ratio by which to multiply the torque.
本发明涉及一种具有储能的柔性螺杆传动构造，适用于各种有限驱动力矩的 机械螺杆式传动，实现由旋转变为轴线方向上位移的应用场合。
The energy storing flexible driving screw mechanism is suitable for mechanical screw transmission with limited driving moment to realize the conversion from rotation to axial linear displacement.
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