油母页岩渣(灰)是油母页岩干熘或燃烧后排出的废渣，如果不合理利用则会挤占大量土地，对环境造成严重影响。
Oil shale waste, a waste residual by carbonization or burning of oil shale, would seriously pollute environment and occupy large area of useful land without rational reuse.
油母页岩渣(灰)是油母页岩干熘或燃烧后排出的废渣，如果不合理利用则会挤占大量土地，对环境造成严重影响。
Oil shale waste, a waste residual by carbonization or burning of oil shale, would seriously pollute environment and occupy large area of useful land without rational reuse.
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