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Design a poster for preventing water pollution. 设计一幅防止水污染的海报。
This paper proposes related measures to prevent water pollution in view of our country water pol... 强调实施污水资源化战略应作为水资源供需矛盾的主要手段。
Transportation and storage of pesticides and disposal of expired or ineffective pesticides shall be strictly controlled to prevent water pollution. 运输、存贮农药和处置过期失效农药，必须加强管理，防止造成水污染。
To better control and prevent water pollution in rivers,it is necessary to know the conditions of water quality in rivers in time. 为了更好的对河流水体污染进行控制和治理,及时了解河流的水质状况是必要的。
Preventing water pollution. 防治水污染。
Preventing water pollution ? 防治水污染。
So it is a important task of waterhead management that understanding the foundation of water pollution and preventing water from being polluted. 了解水污染源,防止水污染产生和进一步恶化是水源管理中的一项重要任务。
Where ships are being loaded with or transporting oils or toxic cargoes,measures must be taken against any spillage or leakage of the oils and against such cargoes from falling into water,in order to prevent water pollution. 船舶装载运输油类或者有毒货物，必须采取防止溢流和渗漏的措施，防止货物落水造成水污染。
Where ships are being loaded with or transporting oils or toxic cargoes, measures must be taken against any spillage or leakage of the oils and against such cargoes from falling into water, in order to prevent water pollution. 船舶装载运输油类或者有毒货物，必须采取防止溢流和渗漏的措施，防止货物落水造成水污染。
Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
Is the water polluted at source or further downstream? 河水是在源头还是在流出之後受到污染的？
Was water pollution a problem before? 以前有水污染问题吗?
The floor is sealed to prevent water penetration. 地板加了密封涂料防止渗水。
Eg: They did a lot to stop water pollution. 他们采取大量措施制止水污染。
Fight the mounting threat of urban water pollution. 应对日益严重的城市水污染的威胁。
Water pollution did damage to the crops. 水污染对农作物造成损害。
Industrial water Pollution Control II. 工业水污染控制2。
How are frogs being harmed by water pollution? 水污染是如何对青蛙造成损害的?
The concern of this book is water pollution. 这本书所讲的是水污染问题。
Carts that becme warped preventing water tightness are unacceptable. 因为筒变形而不能很好的装水是我们不允许的。