《矿山机械》编辑部:值此刊物创刊十五周年之际,我谨代表教研室全体同人、矿机专业的几十名硕士生和几百名本科生,向主编和全体编辑表示衷心的祝贺,崇高的敬意和诚挚的感谢! “Mining Machinery” Editorial Department: On the occasion of the fifteenth anniversary of the publication, I would like to express my heartfelt congratulations to the editor-in-chief and all editors on behalf of all colleagues and mines majors and hundreds of undergraduate students in the teaching and research section. Sublime respect and sincere thanks!