This article analyses the treating actuality of paper millwaste water firstly, then discuss nowadaystreating processes and their characteristic of paper-making black and white liquid.
本文从造纸工业废水治理技术现状分析入手，讨论了目前用于处理造纸黑液和白水的主要处理工艺及其特点。
2
Although you don't want to waste a lot of time speculating — or be at the center of the rumor mill — it can be helpful to be observant during uncertain times.
虽然你不想浪费大量时间来推测，或者身处流言中心，但这能让你在非常时期当心点。
3
In the early 1980s, as a dogsbody in a paper mill, she noted that the waste paper her superiors so casually discarded was actually worth something.