低pH值高铁离子
low pH and high ferrous concentrations
低磷高铁菱锰矿
rhodochrosite ore with low phosphorous and high iron
电生成高铁酸盐
electro-generated ferrate
二茂铁高分子吸波剂
ferroceny polymeric absorbent
高Cr铁素体耐热钢
high Cr ferritic heat-resistant steel
高Si铁基合金
Cr-containing high-silicon iron-base alloy
高钙高铁奶粉
Ca- and Fe- fortified milk powder