The main activities in the region were historically steel and paper processing.
该地区过去的主要产业是钢铁工业和造纸加工。
Well, the main activities in the region were historically steel and paper processing, I think.
我想,该地区过去的主要活动是钢铁和造纸加工。
Elsewhere, trees grown for paper could be made amenable to much more efficient processing, reducing both energy usage and toxic chemical bleach in effluents from paper mills.
在其他一些领域,被用来造纸的树木可以被改得更加容易处理,这样一来就会减少能量消耗和造纸厂化学漂白物的排放。
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