经人工采集加工去毛除污后而成。据成份化验分析，含有丰富人体极需的营养素。
Based on the analysis on past test results, bird's nests contain rich nutrients needed by human body.
本发明利用白矾和白糖对造纸污水进行一级物化处理，经处理污 水还可循环再用到生产上。
The method primarily materializes the paper making sewage with the alumenb and the white sugar, and the processed sewage can be recycled in the production.
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