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值此《煤炭经济研究》杂志创刊30周年之际,我代表杂志的主办方中国煤炭经济研究会对《煤炭经济研究》的30岁生日表示热烈的祝贺!对参加此次“煤炭工业转型发展高层研
On the occasion of the thirtieth anniversary of the founding of the Coal Economics Research Magazine, on behalf of the organizer of the magazine, I would like to extend my warm congratulation on the 30th birthday of the ”Coal Economic Research“ on behalf of the China Coal Economy Research Institute. To participate in the ”Coal Industry Transformation and Development High-level research