单词：Coalburn
单词：Coalburn 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
JEFFREY BROWN: And next, Ray Suarez continues his series about the changing energy picture in this country. Tonight, he visits Colorado, where natural gas is taking center stage, prompting questions about the future of both coal and alternative energ
PBS访谈环境系列
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
你可能知道一直工作而不休息的人可能会burn out。你知道这是什么意思吗？看看今天的英语点滴来学习更多关于与burn相关的词组的用法吧。 burn out可以表达工作很长一段时间没有休息，而变得
英文语法词汇
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