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- Surface water supplies, problems and solutions; the small farm dam how to construct one; well drilling the von der Rigg; spring and groundwater protection; urban water supply and sanitation; water vending; roof catchment systems. 地表水供给的问题与解决方法；如何建造农场小蓄水池；凿井；泉水与地下水的保护；城市供水与卫生设备；水的销售；屋顶排水系统。
- A STUDY OF THE ECOLOGICAL FRAGILITY OF HEIHE RIVER BASIN AND ITS HEAVY DEPENDENCE ON THE GROUNDWATER PROTECTION 黑河流域生态环境的脆弱性及其对地下水的依赖性
- She subscribes to an animal protection society. 她捐款给一个动物保护协会。
- We subscribe to an animal protection society. 我们定期捐款给一个动物保护基金会。
- The young in our society need careand protection. 我们社会的年轻人需要受到关怀和爱护。
- He was paying out half his profits as protection. 他把所得利润的一半交给歹徒作为保护费。
- They lobbied on the environmental protection issue. 他们就环境保护问题在议员中进行了游说。
- A thin jacket is a poor protection against cold. 一件单薄的夹克衫不足以御寒。
- The settlers banded together for protection. 移民联合起来保护自己。
- He's devoted his whole life to the protection of the rare animals. 他终生献身于珍稀动物的保护。
- A thin coat gives little protection against the cold. 一件薄上衣没有什么御寒作用。
- Groundwater monitoring and quality assessment. 水文地质学:地下水监控与质量评价。
- groundwater protection zones 地下水源保护区
- First, contaminants volatilize out of groundwater. 首先，污染物从地下水中挥发出来，变成蒸气。
- Any payment exacted for protection. 勒索的钱财强逼某人支付的保护费
- The water supply of Jiaozuo city is groundwater. 摘要焦作市是以地下水作为供水水源的城市。
- A place offering protection and safety; a shelter. 避难所提供保护及安全的场所; 庇护所
- groundwater protection 地下水保护
- She put on dark glasses as a protection against the strong light. 她戴上墨镜以防强光的照射。
- The ships required the protection of naval and air power. 船只本身需要海军和空军的保护。
