surface maintenance

• 路面养护

surface maintenance的用法和样例：

例句

1. Asphalt on irrigation and other small construction equipment for road maintenance!
   沥青灌逢机等小型路面养护施工设备！
2. Pavement dilapidation data is the most important data of pavement maintenance management.
   路面破损数据是路面养护管理中重要的数据之一。