deep water mine 中文意思是什麼
deep water mine
解釋
深水水雷-
Water impact calculation and protection measures for water drainage in deep mine
深井排水的水擊計算及防護措施 -
Evaluation of mining under safe water pressure of aquifer in deep zhaogezhuang coal mine
趙各莊礦深部帶壓開采評價
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