单词：high-head axial flow water turbine pump
单词：high-head axial flow water turbine pump 相关文章
average brightness 平均亮度 average picture level 平均图象电平 averaging 求平均数 avionics 航空电子学 axial betatron oscilations 轴向电子感应加速岂荡 axial etch nonuniform
电信英语
Technology Report - How to Make Your Own Solar Water Heater This is the VOA Special English Technology Report. Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design
2011年VOA慢速英语(四)月
听力文本 Recording 19 录音19 A. At the bottom of the system, there is a storage tank, which can hold up to 500 litres of rainwater. The water stored in the tank can be used for general gardening and cleaning. A、在该系统底部有个贮存水
走进剑桥大学
05Using the Restroom GLOSSARY restroom a public bathroom; a large room with one or more toilets and sinks* Do you know where the mens restroom is? mess disordered; unclean; not organized or neat* Your room is a mess! Please clean it up before your gr
2008年ESL之日常生活
Steve, are you a firefighter, too? Violet asked as they followed him. Yes, he said, wheeling himself through a side door. I used to be on active duty, until I was injured in an accident. Since then I havent been able to walk. So now I work in the off
56 The Firehouse Mystery
Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience
60秒科学
DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o
农业与发展
AGRICULTURE REPORT - Using Water to Produce Electricity By Gary Garriott Broadcast: Tuesday, May 04, 2004 This is the VOA Special English Agriculture Report. The power of flowing water can be used to
农业与发展
Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience
Scientific American(五)月
BP oil company has announced its first major success in containing a massive oil leak in the Gulf of Mexico. Engineers inserted a metal tube into a broken pipe on the sea floor, to siphon oil into a ship on the surface. BP engineers implemented the f
VOA标准英语2010年(五)月
Doctors Achieve Milestone Using Artificial Heart With No Beat In March, two doctors at the Texas Heart Institute in Houston achieved what medical experts call a major milestone by implanting a continuous-flow artificial heart in a human patient. The
VOA标准英语2011年(七月)
Engineer and inventor Martin Fisher has applied his passion for improving things to the challenge of eliminating poverty in rural Africa. As Maura Farrelly reports, his non-profit organization is transforming the lives of thousands of poor African f
VOA标准英语2008年（九月）
英文歌词： She said i'll throw myself away, They're just photos after all I can't make you hang around. I can't wash you off my skin. Outside the frame, is what we're leaving out You won't remember anyway I can go with the flow But don't say it does
英文摇滚歌曲
Todd: So Carla, you lived in Africa. Carla: We got married in Africa. Todd: Wow. Carla: And we moved to Nigeria. As I told you before, we got married in Ghana, and we moved to Nigeria. And our kids were born in Nigeria. But I wanna tell you a little
英语访谈对话
By Brian Wagner Key West, Florida 06 March 2008 Researchers in the United States are set to begin testing underwater turbine systems that can produce electricity from ocean water flows. The projects in Florida are the latest efforts to find alternati
VOA标准英语2008年（三月）
美国英语口语俚语(4) 1.ripoff 骗人的东西 What a ripoff! The new car I bought doesn't work! 真是个骗人货！我买的新车启动不了！ 2.rock the boat 找麻烦 Don't rock the boat! Things are fine just the way they are. 别找麻烦
实用英语
Listen to the questions and check the best answers. 1.May I see the wine list? 2.Could you give us one more beverage menu? 3.Do you offer cold water? 4.Is the soft drink free flow? 5.Do you have any beverage for children? 英语听力练习题 Listen
英语听力练习题
Todd: So Carla, you lived in Africa. Carla: We got married in Africa. Todd: Wow. Carla: And we moved to Nigeria. As I told you before, we got married in Ghana, and we moved to Nigeria. And our kids were born in Nigeria. But I wanna tell you a little
原版英语对话1000个
If you visit upland areas of Britain places like the mountains of Scotland, or Wales, or the Pennine Hills in northern England you will see a lot of sheep. Many of the sheep are in places where there are no walls or hedges to keep them in their field
听播客学英语
Mekong River nations are suffering from the most severe drought in decades, affecting tens of millions of people. In response, China has discharged water to help relieve the crisis. China began offering the emergency water supply since Tuesday, and w
cctv9英语新闻2016年