The results can provide a scientific basis for the treatment and use of surface less-polluted water.
为地表微污染水资源的深度处理和利用提供科学依据。
For less heavily polluted water, similar equipment is used, except that the glass tubes are coated with titanium dioxide.
对于那些污染不是很严重的水，也使用类似的设备，只是，玻璃管上涂有二氧化钛。
With a home purification system, you’ll never worry about drinking polluted water again. For less than seventy-five dollars, turn your kitchen faucet /into/ an ocean of fresh water.
如果有了家庭纯净水系统，你将不再担心会再次喝到污染的水，只需少于75美元的钱便可使你厨房的水龙头变成新鲜水源的海洋。
Over time and as global warning continues, viruses will become active in potentially less polluted water systems that humans and farmers alike rely upon.
但经过一段时间，当全球继续变暖时，在人类所依赖的较少污染的水系统里，病毒也将被激活。
Over time and as global warning continues, viruses will become active in potentially less polluted water systems that humans and farmers alike rely upon.
但经过一段时间，当全球继续变暖时，在人类所依赖的较少污染的水系统里，病毒也将被激活。
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