the key green areas include the dense populated areas main roads mountains urban fringe area the interchange area between wenjiang and chengdu and river banks with a total area of 173 square kilometers
重点绿地包括人口密集区、主干道、山区、城市边缘区、温江至成都立交区和河岸，总面积达173平方公里
以上为机器翻译结果，长、整句建议使用 人工翻译 。