maintenance and supervision system

• 养护管理系统

maintenance and supervision system的用法和样例：

例句

1. Green coverage in the city still needs to be expanded and green land maintenance needs to be strengthened.
   全市绿化总体水平有待进一步提高，林木绿地养护管理也有待加强。
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。