单词：iron pyrites
iron pyrites的用法和样例：
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。
- pyrite黄铁矿
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