highway afforestation

• 公路绿化

highway afforestation的用法和样例：

例句

1. Moreover,highway greening can improve traffic conditions and keep drivers safer.
   另外公路绿化还可以改善交通条件，为高速行车提供保障。
2. Highway landscaping should be carried out in accordance with the highway technological standards.
   公路绿化必须按照公路技术标准进行。