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2013-05-23 12:21
求翻譯:For example, in the case of low rank coals, subbituminous, lignite and peat, the moisture content is between about 20 to 50 wt % or higher, resulting in low heat content. Much of the low heat content coal mines in the United States are generallylocated in areas with low demand for coal, for instance, Wyoming and North 是什么意思?![]() ![]() For example, in the case of low rank coals, subbituminous, lignite and peat, the moisture content is between about 20 to 50 wt % or higher, resulting in low heat content. Much of the low heat content coal mines in the United States are generallylocated in areas with low demand for coal, for instance, Wyoming and North
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