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- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- secondary water pollution 次生水污染
- A STUDY ON THE SECONDARY WATER SUPPLY IN CHENGDU. 成都市二次供水水质状况的调查研究
- Was water pollution a problem before? 以前有水污染问题吗?
- Rechlorination to Control Microbiological Pollution of Secondary Water Supply System on Passenger Trains. 补充加氯控制旅客列车二次供水微生物污染的试验研究。
- Eg: They did a lot to stop water pollution. 他们采取大量措施制止水污染。
- Title: Rechlorination to Control Microbiological Pollution of Secondary Water Supply System on Passenger Trains. 关键词:二次供水;消毒;游离性余氯;总大肠菌群;旅客列车
- Fight the mounting threat of urban water pollution. 应对日益严重的城市水污染的威胁。
- 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?
- 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?
- 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。
- The spray coils are frequently used to chill the secondary water circuit to the induction units in winter. 冬季人们常用喷水盘管冷却诱导器中的次级水流。
- 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。
- The reasons of water recontamination in secondary water supply include design, construction ,management etc. 二次供水污染的原因有设计、施工和管理等方面。
- Water pollution has a great harm to the human health. 水质污染对人类健康危害极大。