四驱扫盲（All-wheel-drive literacy）.docVIP

四驱扫盲（All-wheel-drive literacy） The SUV is not only the granddaddy of the current SUV, but also the first adopter of the four-way technology. Suv technology is the earliest time sharing all-wheel-drive, the simple and effective technique all-wheel-drive, know now still doing a lot of models, especially the kind of models for through sexual values. How does this technique work? Why is it still used today? What are the advantages? Four-wheel drive history dates back to the last century, after the car appeared, due to the limitation of road conditions, the road is not adapt to the car, on the rutted and full of muddy road, two wheel drive car almost impossible to drive. It made people even miss the horse-drawn carriages, when the horses were pulled by the horses, no matter how rough the road was. The idea of a four-wheel-drive car design began to breed in anticipation of a car that could cope as well as a wagon. And it was war that really drove this technology. In order to adapt to the needs of the battlefield, there must be a kind of car that can cope with all kinds of road conditions and also have a strong maneuvering flexibility. The four-way suvs came into being in this intense demand for war. Across the rutted country road, crossing the rugged mountain hills, in the rain on the muddy soil, four-wheel-drive suv can easily out of trouble, in artillery fire on the battlefield, two wheel drive car on the road conditions can only seem to be enemies sitting ducks. It was in this grim age that the real four-way suvs emerged. And the actual four-wheel drive of the production of quantitative production of the Jeep will be in the second world war. It is also the first to use a time-sharing four-wheel drive, as a four-way SUV, and the Jeep Willys technology has even been used in todays popular suvs. We know from the date of birth of the first car, the car is the rear wheel drive, front wheel is our inability to procure the early realization of drive and steering function, so