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文章针对北京市山区面积广大的具体情况,介绍了山区公路绿化的主要内容和绿化手法,强调了山区公路绿化的重要性。
In this paper, aiming at the large area of mountain area in Beijing, the paper introduces the main contents and afforestation tactics of mountain road afforestation, and emphasizes the importance of mountain road afforestation.