基础设施实行哪些维修制度?
["\u57fa\u7840\u8bbe\u65bd\u5b9e\u884c\u5929\u7a97\u4fee\u5236\u5ea6\uff0c\u5e76\u63a8\u884c\u9884\u9632\u6027\u8ba1\u5212\u4fee\u3001\u4e13\u4e1a\u5316\u96c6\u4e2d\u4fee\u5236\u5ea6\u3002"]
基础设施实行哪些维修制度?
["\u57fa\u7840\u8bbe\u65bd\u5b9e\u884c\u5929\u7a97\u4fee\u5236\u5ea6\uff0c\u5e76\u63a8\u884c\u9884\u9632\u6027\u8ba1\u5212\u4fee\u3001\u4e13\u4e1a\u5316\u96c6\u4e2d\u4fee\u5236\u5ea6\u3002"]