单词：sewage purification plant
单词：sewage purification plant 相关文章
CNN's Kara Finnstrom reports on Orange County, California's latest source for water Clean, clear water, it is in short supply here in Orange County, so any new source, like this one, is warmly welcome. That is, if you can get past where this water c
万花筒2008年
DON GONYEA, HOST: Port-au-Prince, Haiti is a city of more than 3 million people with no sewer system. International donors have spent millions of dollars on infrastructure meant to help the situation. But a multi-year plan to build sewage treatment p
2017年NPR美国国家公共电台7月
12The Lord said to Moses, 2Say to the Israelites: 'A woman who becomes pregnant and gives birth to a son will be ceremonially unclean for seven days, just as she is unclean during her monthly period. 3On the eighth day the boy is to be circumcised. 4
利未记
Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this
英语听力文摘 English Digest
Fertilizers from lawns, oil from cars, pet waste and runoff from building sites move quickly over paved surfaces into storm drains - and eventually, into the Bay. Rosanne Skirble | Washington, D.C. 30 November 2009 Watch: Skirble report Windows Media
VOA标准英语2009年(十二月)
一台类似于公交站的城市空气净化装置，近日正式落户于清华大学，其将作为清华校车车站之一，接受北京空气的测试。 请看相关报道： An outdoor air purification system, an oxygen bar designed in the fo
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