“Highway administrative grade”的概念、定义、翻译、参考文献-科学参考

单词	Highway administrative grade
释义	Highway administrative grade Encyclopedia 管理学公路经营许可管理释 Highway administrative grade公路行政等级依据各公路所处的地理位置，在整个公路网中的地位及发挥的作用不同对公路进行行政分级。公路等级的重要内容之一。
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