对于上篇所说四驱系统的那些优点虽然诱人,但是实现起来却并不那么容易。如果按照普通人的想法:我把发动机输出来的动力通过传动轴传递给四个车轮不就完了吗,有什么复杂的,无非是比两驱车多了一根传动轴 The advantages of the four-wheel drive system described in the previous article although attractive, but not so easy to achieve. If you follow the ordinary people’s thinking: I put the power output from the engine through the transmission shaft is not passed to the four wheels, what is complicated, nothing more than two drive more than a drive shaft