我可真生那些在公园里乱扔废纸的人的气.I'm really steamed up about people who throw papers in the park.废纸回收体系的不完善严重制约了我国废纸的回收利用率.Waste paper recycling system of restraints were waste paper recycling rate.本发明的方法显著提高废纸的纸浆白度及纤维得率.The pres...