... 水的软化：water softening 水的化学处理：chemical water treatment 水的传送：water distribution ...
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废水的化学沉淀处理法 wastewater treatment by chemical precipitation process
不要用那些用化学方式处理过的水或“蓝水”。
Do not use water that has been chemically treated or "blue" water.
研究者称氯处理过的水的副产品三卤甲烷（THM)，是一种致癌化学物，会增加患疾病风险。
Researchers say cancer-causing chemicals called trihalomethanes (THM) are created as a byproduct of chlorinating water and increase the risk of the disease developing.
关于回收的一个不光明的小秘密：回收处理厂每天要用掉10万加仑水。在容器被磨碎处理以前，要用许多水来冲掉容器内的带壳食品和化学物质。
Recycling's dirty little secret: Processing plants use up to 100, 000 gallons of water a day, mostly to wash crusty food and chemicals off containers before they can be ground up.
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