单词：erosional coal basin
单词：erosional coal basin 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
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[00:00.00]Unit Twenty-seven [00:01.19]第二十七单元 [00:02.38]Don't turn on the tap. [00:03.47]别开水笼头。 [00:04.57]Don't turn off the fan. [00:05.74]别关电扇。 [00:06.91]Don't turn on the light. [00:08.14]别开灯。 [00:09.36]Don
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By Lisa Bryant Paris 23 June 2006 A new assessment of Africa's massive Congo Basin rain forest finds that it is less degraded than environmentalists feared. The findings were announced in Paris, where African and Western officials ended a two-day co
2006年VOA标准英语（六月）
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
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[00:04.60]first of all allow once unless [00:07.98]首先 vt.允许，准许 conj.一旦；一...就 conj.如果不；除非 [00:11.36]experiment cupboard electricity turn off [00:14.99]n.实验 n.器皿柜 n.电；电流 关掉(自来水等) [00:18.
高中英语人教版高一
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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