shirengou 中文意思是什麼
shirengou
解釋
石人溝-
Mining practice of residual ore body for open pit slope of shirengou iron mine
石人溝鐵礦露天邊幫殘留礦體開采實踐 -
Application of smooth blasting in development of vertical shaft of shirengou iron mine
光面爆破在石人溝鐵礦主豎井掘進中的應用 -
The practice of air interval charging of blasthole at shirengou iron mine
石人溝鐵礦的炮孔空氣間隔裝藥實踐 -
Difficulties and countermeasures of shirengou iron ore mine during conversion from an open pit to an underground mine
石人溝鐵礦露天轉地下開采中的難點及對策 -
Discussion on problems in construction during conversion from open cast to underground mining of shirengou iron mine
石人溝鐵礦露天轉地下開采施工中的問題探討
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