Even before the recent price increase, iron-ore mining was a very profitable business.
甚至在最近价格提升之前，铁矿石开采就已经是富得流油的产业了。
Let's take a single instance in the global iron-ore-mining industry.
就让我们用全球铁矿业这单一实例来说话吧。
In this paper the mining practice of extra high grade ore is introduced.
本文主要介绍特富矿的采矿实践。
In this paper the mining practice of extra high grade ore is introduced.
本文主要介绍特富矿的采矿实践。
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