单词：curved blade turbine type agitator
单词：curved blade turbine type agitator 相关文章
Amid the recent economic downturn, demand in the U.S. is rising for small wind turbines to power people's homes. The American Wind Energy Association says sales of such turbines rose 15 percent in 2009. One man in Florida is generating his own power
VOA标准英语2010年(六)月
1. ag 记忆单词非难事，原有捷径， 认得ag识字多，立竿见影。 ag=do,act 做，动 1. agent ag做，办理，-ent 名词后缀，表示人 2. agential -ial 形容词后缀，...的
英文语法词汇
That's the sound of clean coal. Well, cleaner coal. A relatively small unit attached to the smokestack at the Mountaineer Power Plant in West Virginia is capturing some 1.5 percent of the carbon dioxide the coal-fired plant would otherwise belch into
Scientific American(十一)月
仿生无桨叶风力发电机 Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, their fast-moving blades kill up to 300,000 birds annually in the U.S. 三叶风力发
VOA标准英语2016年(一月)
Bird-friendly Bladeless Wind Turbine Mimics Nature Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, the devices' fast-moving blades kill up to 300,000 birds annuall
VOA标准英语2015年(十一月)