名词中文翻译
中文翻译：褐铁矿
同义词：
['brown iron', 'brown rust']
例句：
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1. This type of ore is commonly used in the production of steel.
这种矿石常用于生产钢铁。
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2. The mining operation is a significant source of employment in this region.
该采矿作业是该地区的一个重要就业来源。
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3. The brown iron ore was mined from the nearby mountains.
这种褐铁矿是从附近的山脉开采出来的。