论文部分内容阅读
保健时报2011-11-11报道:纸张作为人们日常生活必不可少的用品之一,一直在悄然发生着变化。纸的制造一直需要大量树木。如今森林资源日益枯竭,于是用废纸造纸成为主流。
Health Times 2011-11-11 Report: Paper as one of the essential daily necessities of people, has been quietly changing. The manufacture of paper has always required a great deal of trees. Now that forest resources are depleting, papermaking becomes the mainstream with waste paper.