iron pyrites
常见例句
- This paper deals firstly with the distribution of pyrites in coals.
首先揭示了煤中黄铁矿的分布赋存规律。 - It's a new-geochemical method,which gold deposits are surveyed with pyrites.
利用黄铁矿进行找金是一种新的地球化学找矿方法。 - Iron ore has been discovered in the area.
这地区发现了铁矿。 - Coal seams intermixed with iron ore.
煤层和铁矿混杂在一起。 返回 iron pyrites