state mining corp 中文意思是什麼
state mining corp
解釋
國營礦業公司-
To control deformation of a deep soft rock tunnel, an engineering experiment of unloading blast in high stressed soft rock was carried out at xieqiao coal mine, huainan mining group corp, which improves fully the stress state of surrounding rock mass and controls effectively the amount of rock deformation and its stable time
摘要為控制深部軟巖巷道的變形，利用爆破卻壓技術，對淮南礦業集團謝橋礦高應力軟巖巷道進行了爆破卸壓工程試驗，充分改變圍巖應力狀態，使巷道的變形量及穩定時間得到了很好的控制。
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