Xinpu Phosphate Mine is the first among mines in China to introduce the mine drainage by drift and drill bole in design.

 
  • 新浦磷礦設計中采用的巷道與地表直通式放水鉆孔聯(lián)合疏干技術(shù),屬?lài)鴥仁状问褂谩?/strong>
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附錄 查詞歷史
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