油门踏板降档开关在需要时提供更快的通过速度。
An accelerator pedal kickdown switch provided faster passing when needed.
在该转速区域降档的时候稍有顿挫感，但总体换档非常顺畅。
Downshifts in that range were sometimes abrupt, though the shifts were smooth in general.
你正在山里开车，下坡，刮风，结果刹车坏了。你马上降档。然后？
You're driving down a windy mountain road and your brakes stop working. You immediately down-shift. Now what?
机车通常会利用降档或是降低油门开度来减速，这些时候刹车灯是不会亮起的。
Motorcyclists often slow by downshifting or merely rolling off the throttle, thus not activating the brake light.
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.
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.
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