An extra amount of drag brake was added to hold the vehicle in the steepest of grades.

一个这笔额外的阻力增加制动举行的车辆在陡峭的成绩。

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If so, slow down or hold your foot over the brake, ready to slow down or stop.

如在那种情况下，要降低车速或是把脚放在刹车踏板上，准备减速或停车。

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To press down hard on the brake pedal, hold it and steer our of danger.

使劲踏住刹车踏板，同时控制住方向盘至脱离危险。

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