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- The ore is smelted in this large factory. 这个大型工厂里熔炼矿石。
- melanterite ore 绿矾
- First, ore is mixed with coke and limestone. 先把铁矿石和焦碳、石灰石混合在一起。
- We will make an assay of the ore that he brought. 我们将对他带来的矿石做实验鉴定。
- A bin for storing ore, grain, or other materials. 仓库储放矿石、谷物或其它材料的大箱
- There are pockets of ore in the mountain. 那座山里有好几块矿藏。
- There are streaks of ore in the mountains. 这山里有矿脉。
- Iron ore has been discovered in the area. 这地区发现了铁矿。
- A rich mine, vein, or pocket of ore. 富矿脉富矿坑、脉、囊
- That cannot be recovered, especially from waste materials or ore. 不能收回的不能被收回的，尤指废的材料或矿石
- After chemical assay, we have known the composition of the ore. 经过化学分析，我们知道了矿石的构成。
- The residue after an ore or other material has been washed. 洗后的渣矿物或其他物质洗后剩下的渣滓
- The net profit amounts to twenty dollars per ton of ore. 每吨矿石的净利为二十美元。
- Coal seams intermixed with iron ore. 煤层和铁矿混杂在一起。
- An area containing abundant deposits of gold or gold ore. 金矿区蕴藏大量黄金或金矿的地区
- Containing metal. Used of a mineral deposit or an ore. 含金属的含金属的。用来指矿床或矿石
- The miners wound up ore from a mine. 矿工们用绞车从矿坑中吊出矿石。
- A test of the mineral quality or content of an ore by milling. 矿石碾磨实验通过碾磨来鉴定矿石的矿砂品质或含量的测试
- The limestone absorbs impurities from the ore. 石灰石从矿石中吸收杂质。
- A revolving cylindrical sieve used for screening or sizing rock and ore. 滚筒筛一种圆筒形的可旋转的筛，用于岩石和矿石的筛分或大小测量
