www.bzfxw.comICS13.020CCSZ0621辽宁省地方标准DB21/T3974—2024露天矿地质灾害治理植被生态修复技术规范Specificationforvegetationecologicalrestorationingeologicaldisastermanagementofopen-pitmines2024-06-30发布2024-07-30实施辽宁省市场监督管理局发布www.bzfxw.comwww.bzfxw.comDB21/T3974—2024I目次前言..................................................................................II1范围..................
