大部分人是D挡一键到底，不会1挡

【 在 bbsdma 的大作中提到: 】
: 挂低档不给油/少给油
: 关键字Engine braking：
: Engine braking occurs when the retarding forces within an engine are used to slow down a motor vehicle, as opposed to using additional external braking mechanisms such as friction brakes or magnetic brakes.
: ...................
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