waste and old asphalt mixture 废旧沥青混合料
Therefore, it is important to regenerate the waste asphalt mixture in order to protect environment and economize resource.
大面积维修、铣刨产生的沥青混合料既污染环境，又浪费资源。
The purpose, methods and history of recycling waste asphalt mixture and also its present situation in abroad was introduced.
阐述了废旧沥青混合料再生利用的意义﹑方法和历史，以及国外对废旧沥青混合料再生利用的现状。
The road construction and maintenance in China was investigated and analyzed, then the amount of waste asphalt mixture occurred every year in China was estimated.
对我国道路建设及维修养护情况进行了调查和分析，估算了我国每年的废旧沥青混合料发生数量。
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