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。
Paper industry: dry, corrugated paper processing.
造纸工业：干燥、波纹纸加工。
Paper industry: dry, corrugated paper processing.
造纸工业：干燥、波纹纸加工。
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