单词：heat pipe solar water heater
单词：heat pipe solar water heater 相关文章
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
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
This is the VOA Special English Development Report. Solar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. An example of a rooftop solar water heater being built in South Africa The
VOA慢速英语2009年（四）月
Windows can offer beautiful natural light, but on bright days, the sun lighjt can bake a room. That tropic drive the air conditioner to use and energy costs. Now a team od researchers help this ---for bilogically inspired engineering has designed coo
Scientific American(九)月
Did you know that enough sunlight falls on the earths surface every minute to provide energy for the entire world? The trick, though, is turning sunlight into power we can use for things like heating water and making electricity. And there are two ty
英语时差8，16
Instead of burning coal, oil, or biomass to heat things up, scientists have found that its possible to use solar energy. For example, some experimental facilities use thousands of mirrors to reflect sunlight onto a large plate on a tower, heating it
英语时差8，16