·2,447,543篇论文数据，部分数据来源于NoteExpress
废纸作原料的制浆造纸厂全厂废水封闭循环和零排放的技术已经成熟。
The technology of the closed circulation and zero discharge in paper mills with waste paper as raw material is a mature one.
youdao
应用推荐
模块上移
模块下移
不移动