2026-05-30 20:20 浏览次数 71
铅
The existing problems of the tailings and waste residue in Yunnan Lancang Lead Mine have been described, and the feasible disposal methods have been introduced.
阐述了云南澜沧铅矿尾矿和废渣存在的一些问题,提出了切实可行的处理办法。