论文部分内容阅读
斯堪尼亚R620 Opticruise牵引车并不是世界上功率最大的牵引车,但面对这样的大块头,人们不禁要问,重型牵引车的功率到底要发展到什么
Scania R620 Opticruise tractor is not the world’s most powerful tractor, but in the face of such a big man, one can not help but ask, heavy tractor power in the end to what to develop