Database for road repairs
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资源简介：
Database of road repairs: the site of the repaired road, the thickness of the road surface, materials, types of work, the cost of work, the warranty period, the performer of works
道路维修数据库：涵盖已修复道路的点位、路面厚度、维修材料、作业类型、工程成本、质保期限以及作业实施方
