3) low grade of oxidized ore
低品位氧化矿石
1.
The practice and development orientation of heap leaching technology for low grade of oxidized ores in Miaoling Gold Mine;
庙岭金矿低品位氧化矿石堆浸实践及发展方向
5) low-grade copper ore
低品位铜矿石
6) low grade oxidized ore on the surface
低品位地表氧化矿石
1.
Study and practice of gold extraction by heap-leaching of the low grade oxidized ore on the surface in Woxi District;
沃溪区低品位地表氧化矿石堆浸提金研究与实践
补充资料：低品
1.犹言下等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条