单词：ashless coal
单词：ashless coal 相关文章
According to the latest data from the General Administration of Customs (GAC), China's net import(净出口) of coal hit 103.43 million tons in 2009. Last year, China exported 22.40 million tons of coal, down 50.7 percent year on year, while its coal
英语新闻
By Mil Arcega Washington 04 December 2007 A decommissioned coal mine in the Rocky Mountain state of Wyoming is about to get a new lease on life. Although it no longer produces enough coal to generate electricity, the company that owns the land has fo
VOA常速英语2007年（十二月）
BEIJING, Feb. 25 (Xinhua) -- China's safety watchdog said Monday it will no longer approve new coal mines that do not meet production capacity requirements in 2013 in order to ensure work safety. High-gas coal mines with an annual production of less
英语新闻
By Catherine Drew London 22 January 2008 This weekend saw millions of Muslims mark the day of Ashura around the world. In central London, about 3,000 Shi'a Muslimsgathered to commemorate the martyrdom of Hussain Ibn Ali, thegrandson of the Islamic pr
VOA标准英语2008年（一月）
Coal consumption is increasing in many parts of the world, driven by skyrocketing energy demands in rapidly developing countries like China. But with coal comes pollution: from climate-changing carbon dioxide to coal ash, the powdery toxic waste left
VOA标准英语2011年(三月)
中国富煤缺油少气的能源资源特点，造成能源消费主要依赖于煤炭，石油则主要依靠进口，而且带来一系列环境问题。煤清洁转化技术则可以帮助缓解这一难题。近日专家表示，我国将在2020年
实用英语