矿山复垦土壤
Reclamation soil in colliery
冶金部马鞍山矿山研究院；南京大学
MaanShan Institute of Mining Research
冶金部马鞍山矿山研究院环保研究所
Maanshan Environmental Protec-tion Research Institute
ABO3钙钛矿复合氧化物
ABO3 perovskite composite oxides
ABO 3 perovskite composite oxides
哀牢山矿集区
Ailaoshan ore concentration region
安徽琅琊山矿业总公司
anhui langyashan general mining company
白石砬子白钨矿矿床
Baishilazi scheelite deposit
白秧坪—华昌山矿带
Baiyangping-Huachangshan ore belt
北京首钢铁矿山
beijing shougang iron mine