论文部分内容阅读
高等级公路建设已成为当前拉动经济增长的重要方式之一。近几年来,我国各地高等级公路建设方兴未艾,呈现出加速发展的良好态势。限于经济因素的制约,一些高等级公路建设
High-grade highway construction has become one of the important ways to promote economic growth. In recent years, the construction of high-grade highways in various parts of our country is in the ascendant and shows a good momentum of accelerated development. Limited to the constraints of economic factors, some high-level highway construction