改造的重要性和依据全国现在拥有解放CA—10B汽车105万辆,其中林业用车1.5万辆,约占林区汽车保存量的一半,20多年来,担负着重要的运输任务。可是,该型号车是四十年代初期设计,五十年代中期引进仿造的产品,结构落后,设计不合理,动力特性很差,自重大,油耗高,技术性能落后,经济效益低,已不符合技术进步的要求。上述一系列问题的主要原因之一是, The Importance and Basis of Renovation The country now has 1.05 million vehicles to liberate CA-10B, of which 15,000 are forestry vehicles, accounting for about half of the total car reserves in forest areas. Over the past 20 years, it has taken on important transportation tasks. However, the model car was designed in the early 1940s and was introduced in the mid-1950s. It has a backward structure, an improper design, poor dynamic characteristics, heavy weight, high fuel consumption, poor technical performance and low economic benefits. Technical progress requirements. One of the main reasons for the above series of questions is that,