GB/T 12719-2021矿区水文地质工程地质勘查规范标准
英文:Exploration specification of hydrogeology and engineering geology in mining areas GB/T 12719-2021介绍: 国家标准《矿区水文地质工程地质勘...
英文:Exploration specification of hydrogeology and engineering geology in mining areas GB/T 12719-2021介绍: 国家标准《矿区水文地质工程地质勘...