Yangquan Coal Group Corporation has in high-production and high-effect mine construction recently, but still keeps some pace with advanced level at home and abroad.

 
  • 摘要近年来,阳泉煤业集团公司在高产高效矿井建设方面取得了一定成绩,但与国内外先进水平相比仍有较大差距。
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