单词：liquid fuel motor
单词：liquid fuel motor 相关文章
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Scientific American(三)月
Darren Taylor | Johannesburg 03 September 2010 Thousands of fuel and motor industry employees in South Africa have joined a national public service strike in the country, but many others continue to resist union calls for them to stay away from work.
VOA标准英语2010年(九)月
The U.S. space agency is moving ahead with preparations for Thursday's scheduled launch of the space shuttle(航天飞机) Discovery on its mission to the International Space Station. NASA said it was loading liquid oxygen and liquid hydrogen into th
英语新闻
Science and technology 科学技术 Launching aircraft 发射飞机 Proof by induction 让电磁感应来验证 In the future, airliners could be catapulted into the sky by electric motors 将来，会用电动机将客机弹射到天空中 READERS o
经济学人科技系列
STEVE INSKEEP, HOST: At a climate meeting in Poland this week, almost 200 countries are trying to reach a deal - a deal to dramatically reduce carbon emissions. A recent U.N. report finds that may not be enough to avoid the most dangerous climate eff
2018年NPR美国国家公共电台12月
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
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