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- Author expanded culture rapidly after getting new water from Dongchang Lake and old canal water,researched the relativity of pramecium's thriving period and water polluting. 作者对聊城东昌湖和老运河不同水体采用活体采样并迅速扩大培养的方法,研究草履虫的繁盛期与水质污染的相关性。
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- canal water pollution 河涌水污染
- The microbiological pollution of riverway water, canal water and lake water is severe and will be severer if the circumstance temperature rises. 嘉兴市城市市内河道水、运河水、湖泊水微生物污染严重，并随环境温度的升高，超标率增高。
- Was water pollution a problem before? 以前有水污染问题吗?
- 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。
- 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？
- Industrial water Pollution Control II. 工业水污染控制2。
- At last by analyzing the method of canal water level and waterflow control. 系统硬件设计主要包括单片机AT89S52外围电路、传感器的选型、数据采集、输出控制接口以及串行通讯接口等；
- How are frogs being harmed by water pollution? 水污染是如何对青蛙造成损害的?
- Design a poster for preventing water pollution. 设计一幅防止水污染的海报。
- The concern of this book is water pollution. 这本书所讲的是水污染问题。
- Water pollution has also increased with urban development. 随着城市发展，水污染问题日益严重。
- Soil erosion is a main contributor to water pollution. 土壤侵蚀是水污染的一个主要根源。
- Water pollution causes the residents vulnerable to decease. 水的污染使居民们容易得病。
- Water pollution has a great harm to the human health. 水质污染对人类健康危害极大。
- How are you going to deal with the water pollution of this area? 你们打算怎样处理本地区的水污染问题呢?
- How to control the water pollution is a big problem. 如何控制水污染是一个大问题。
