为了能够更快完成货物及顾客运送工作,一人较好扩建的并有高承载能力的公路网是市场经济的前提。可活动性和物质运输的增加不是逐渐地增长,而是在短时间内发生很大的变化,用在新建、扩建和维修费用上财政资金的提高也是不可能在短时间内解决的.复合式沥青混合料修复与筑路新设 In order to be able to complete the delivery of goods and customers faster, a well-expanded and highly loaded road network is a prerequisite for a market economy. Mobility and the increase in material transport do not increase gradually, but rather change significantly in a short period of time, and it is unlikely that the increase in financial resources for new construction, expansion and maintenance will be resolved in a short period of time. Asphalt Mixture Repair and Road Construction