1·This medicine is used for purifying water.
这种药是用来净化水的。
2·The best method of purifying water is boiling for 10 minutes.
最好的净化水的办法就是把水煮沸10分钟。
3·Following are recommendations for storing and purifying water supplies.
以下是储存和净化食水的一些建议。
4·The solid and liquid bacteria have same effect of purifying water effects.
经试验证明，该固体菌与液态菌制剂具有相同的净水效果。
5·The mechanism and benefits of forest purifying water were discussed in the paper.
为森林净化水质的功能，提供了依据。
6·Multipass Internal Pressure Type Hollow Fiber Membrane is the best choice for purifying water.
多通道内压式中空纤维膜，洁净水处理的最佳选择。
7·In 1881 Mr. Hyatt's attention was called to the necessity of an efficient method of purifying water.
在1881凯悦先生的注意力，被称为向的必要性，一个有效率的方法净化水质。
8·Pollution of water resource, water environment and the technology of purifying water are regarded increasingly.
水资源与水环境的污染以及现代水处理技术是人们日益关心重视的研究课题。
9·Groups traveling arid lands often fail to carry adequate water or a way of purifying water from natural sources.
组队旅行在干旱地区经常会由于没有足够的水或没有从自然资源中找到净化的水而失败。
10·Decompose unnecessary organic matters, such as ammonia, nitrogen, phosphorus, to achieve the purpose of purifying water quality.
有效分解水体中的多余有机物、氨、氮、磷等物质，达到净化水质的目的。