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值此《矿山机械》创刊20周年暨发刊200期之际,我向《矿山机械》编辑部致以诚挚的祝贺和崇高的敬意。
On the occasion of the 20th anniversary of the publication of “Mining Machinery” and publication 200, I convey my sincere congratulations and high respects to the editorial department of “Mining Machinery”.