The materials chiefly used in modern papermaking are cotton or linen rags and wood pulp.
现代造纸中主要使用的材料是棉布或亚麻布和木浆。
The materials chiefly used in modern papermaking are cotton or linen rags and wood pulp.
现代造纸中主要使用的材料是棉布或亚麻布和木浆。
For many materials the process of turning them back into useful raw materials is straightforward: metals are shredded into pieces, paper is reduced to pulp and glass is crushed into cullet.
对许多材料而言,将它们转变为有用的原始材料的过程是非常简单的:金属物被压碎成碎片,纸被融合为纸浆而玻璃制品则被碾成玻璃碎末。
应用推荐