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廿载辛勤耕耘 百期开拓创新——写在《煤炭技术》创刊20周年暨出刊100期之际$《煤炭技术》杂志社!主编@郭滨
Twenty years of hard work Hundreds of pioneering and innovative - written in the “coal technology” to start the 20th anniversary of publication and the occasion of the publication of 100 “Coal Technology” magazine! Editor @ Guo Bin