papern.纸；文件；报纸；论文；票据；壁纸v.用纸包；用纸糊；贴壁纸adj.纸制的；似纸的；有名无实的paper copy平装本,文献印刷本,干印本,纸印本

1. Wastewater treatment is an important issue in papermaking industry.
   摘要制浆造纸废水处理一直是造纸行业的一个重要问题。
2. The method of reusing wastewater of making-paper with reverse osmosis and ultrafiltration was introduced.
   摘要介绍了一种利用反渗透与超滤膜相结合进行造纸废水回用处理的方法。