最早的造紙工業(yè)起源于大約5000年前的埃及和尼羅河谷。
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Nile Valley
The earliest process of making paper was done almost 5,000 years ago in Egypt and the Nile Valley. In those days, paper was made from strips of the papyrus plant. Modern paper-making began in China about 2,000 years ago. This process produced paper from cloth, straw, wood or the bark of trees. The r…
最早的造紙工業(yè)起源于大約5000年前的埃及和尼羅河谷。那時(shí)候，紙張來自紙莎草的紙條?，F(xiàn)代造紙于約2000前誕生于中國。這個(gè)過程使用布、稻草、木頭和樹皮來造紙。原材料被一次次擊打直到變松。，然后用水混合。在去水之后， 將平展、輕薄的剩余材料晾干。這就制成了一張紙。 大型機(jī)器在16世紀(jì)末開始用來造紙。今天，造紙是做…