保护水源林，提高林木覆盖率；
Protect the forest of water source, and increase the cover rate of forest;
他们对待废气，保护水源，净化废水。
They treat waste gases, protect the water sources and purify waste water.
最后，我想说，保护水源就是保护生命。
At last I would like to say, to protect water is to protect life.
然后，关掉主水阀以保护你的水系统中的洁净水源。
Then shut the main water valve to protect the clean water already in your water system.
饮用水源保护和水量、水质保证。
The protection of drinking water source to safeguard the quantity and quality of water.
提出了该水源保护措施。
The protective measure was put forward for the water source area.
论述了水源保护区高等级公路的设计方法。
This paper discusses the design methods of high-grade highway in water source protection area.
论述了水源保护区高等级公路的设计方法。
This paper discusses the design methods of high-grade highway in water source protection area.
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