单词：duplex power feed type motor
单词：duplex power feed type motor 相关文章
China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th
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AS IT IS 2016-08-04 Ugandan Company Demonstrates Solar-Powered Bus 乌干达演示太阳能汽车 A bus powered by the suns energy has made its public debut. Kiira Motors Corporation demonstrated the new electric bus recently at a sports center in th
2016年VOA慢速英语(八)月
Robots as Fast as Cheetahs? 机器人像猎豹一样快吗? Scientists have been experimenting with four-legged robots for years. They want the ability to use robots like pack animals to carry heavy loads over difficult areas of land. But providing e
2015年VOA慢速英语(一)月
备用电机或能挽救飞行员的生命 More than 550 people are killed each year,on average,in accidents involving small,mostly single-engine airplanes,according to the U.S. Department of Transportation. 美国运输部的调查显示每年有超过
VOA标准英语2015年(十二月)
Backup Motor May Save Pilots Lives 备用电机或可挽救飞行员的生命 In case of engine failure, multi-engine aircraft often have enough power to land safely, but single-engine planes have a very small chance of avoiding a fatal crash. Now, t
VOA标准英语2015年(七月)