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- Keywords water hyacinth;heavily polluted rivers;ecological restoration;aquatic plants; 凤眼莲;重污染河道;生态修复;水生植物;
- Dynamic pilot study on purification of heavily polluted river water with floating bed technology in winter-spring 冬-春季节浮床技术净化重污染河水的动态试验研究
- heavily polluted rivers 重污染河道
- heavily polluted river water 黑臭河水
- Lakes and rivers that are heavily polluted with organic material are liable to contain less dissolved oxygen than does nonpolluted water. 受到有机物严重污染的湖泊和河流，比起未受污染的水来说，其中的溶解氧通常要少一些。
- Fishes cannot live in these polluted rivers. 鱼无法在受到污染的河里生长。
- Large stretches of the canal north of the Yellow River are now dry, filled in completely or heavily polluted. 黄河北边的一大段运河如今已经干涸见底,要么堵塞的满满当当,要么污染得一塌糊涂。
- The Ganges River is so heavily polluted at Varanasi that the water is septic - no dissolved oxygen exists. 可译为：恒河在瓦拉纳西段的河水被污染至腐臭，已经没有溶解氧的存在。
- I can't stand the smell of the polluted river. 我无法忍受那脏河水的气味。
- Today, many polluted rivers are getting clearer and clearer. 今天，许多污染了的河流变得越来越清澈。
- Today, many polluted rivers are getting cleaner and cleaner. 今天许多污染了的河流变得越来越干净。
- Today,many polluted rivers are getting clearer and clearer. 今天，许多污染了的河流变得越来越清澈。
- With a lot of black smoke of the boiler chimneys in the wellsite, this area is heavily polluted. 由于从井场锅炉烟囱中冒出大量的黑烟,这个地区污染很严重。
- A heavily polluted city hurts the health of its own inhabitants as well as those hundreds of miles downwind. 一个污染严重的城市不仅伤害它自己的居民的健康，也伤害到下风数百英里内居民的健康。
- Polluted rivers and lakes have also been a cause of death. 污染的河流和湖泊也已成为一个导致死亡的原因。
- The Yamuna is one of the most polluted rivers in the world. 雅母纳河早已被列为全球污染最严重的河川之一。
- These trace gases are not detectable by smell in any but the most heavily polluted atmosphere. 这些微量气体除了在污染最严重的大气外，是不能凭嗅觉察觉到的。
- Heavily polluted China wants to acquire the most advanced clean energy technology from U.S. companies. 污染严重的中国希望从美国公司获得最先进的清洁能源技术。
- Pouring all I and any other exposed internal condensation, or heavily polluted parts of the coating required. 所有的浇注口和任何其它暴露在内部凝结或重度污染的部件需要涂层。
- The passing-by water bodies in animal farming area was often heavily polluted by NH4(superscript +)-N. 畜禽养殖场附近的河流受养殖污水的影响，水体的氮素污染最为严重，尤其是铵态氮负荷最高；
