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一、前言四轮驱动车(以下简称4WD)主要是作为在恶劣路况下行驶的车辆而发展起来的。把两轮不够传递的牵引力分散给四轮,能有效地利用汽车牵引力。
I. INTRODUCTION Four-wheel drive vehicles (hereinafter referred to as 4WD) are mainly developed as vehicles traveling in harsh conditions. Disperse the traction of the two wheels is not enough to four wheels, can effectively use the car’s traction.