Eventually, papermakers were able to invent a variety of mechanical and chemical techniques engineer decent-quality paper out of pulped wood, a supply that (unlike cloth rags) appeared limitless.
造纸者最终发明出了多种机械、化学技术，利用木浆生产出了质地优良的纸张，原料供应(和破布不同)无限扩大。
Eventually, papermakers were able to invent a variety of mechanical and chemical techniques engineer decent-quality paper out of pulped wood, a supply that (unlike cloth rags) appeared limitless.
造纸者最终发明出了多种机械、化学技术，利用木浆生产出了质地优良的纸张，原料供应(和破布不同)无限扩大。
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