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Saturday, August 7, 2010
甘肃平凉探明储量32亿吨超大煤田
甘肃平凉市灵台县日前探明一个储量32亿吨的超大煤田,可采煤层最大厚度15.01米,平均厚度6.56米,埋藏深度在700-1000米之间。据央视《新闻联播》
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