单词：air gap flux density
单词：air gap flux density 相关文章
Beijing will launch a pilot program to equip schools and kindergartens with air filtration devices. Smog has been a significant issue in the Chinese capital this winter. I was coughing just now, I always wear mask, from school to home. The air is cho
2017CRI中国国际广播电台
今天我们要学的词组是gap。 Gap的意思是缝隙，差距。比如年龄的差距， age gap。贫富差距，the gap between the rich and the poor。收支差距，the gap between revenue and expense。 美国的一项调查结果说，美国
英语每日一词
The new round of inspections follow checks that were made earlier this month, in which inspectors found several factories emitting large amounts of pollutants in the city of Xinxiang, during the air pollution alert period. This time, the inspectors f
2015CRI中国国际广播电台
BEIJING, Jan. 22 (Xinhua) -- Beijing will strengthen its efforts to treat PM2.5 and slash the density of major air pollutants by 2 percent this year, the municipality's acting mayor said Tuesday. The capital will take 180,000 old vehicles off the roa
英语新闻
China has seen more cities meet required air quality standards over the last year, and is now planning even more measures to tackle air pollution and protect blue skies. Li Ganjie, China's Minister of Ecology and Environment, says air quality improve
2018CRI中国国际广播电台
Beijing's municipal authorities will issue new regulations to improve air quality by the end of this year. The smoggy weather has affected a total area of 1.3 million square kilometers in China recently. The new regulations include higher standards f
英闻天下