单词：coal bed texture
单词：coal bed texture 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
Song：Who's Been Sleeping In My Bed Artist：Brosis Who's been sleeping in my bed? Ain't nobody sleeping in your bed,what you're talking about? I'm innocent,I didn't treat you bad girl, What you're talking about? What? what? Chorus: Who's been sleep
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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
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
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