combined mining method

常見例句

It is of important significance to the study of the open pit slope stability, underground mining method and mining sequence in open-pit and underground combined mining.
這對研究礦山露天地下聯(lián)合開采過程中的露天礦邊坡穩(wěn)定性、地下采礦方法和開采順序等有重要的意義。
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The technology of crossing over fault, drifting and actual mining method and plan of crossing over fault at combined mining face under complex geology conditions in Jining No.
介紹了濟寧二號礦復雜地質(zhì)條件下綜放工作面過斷層技術(shù)，掘進和回采對斷層的處理方法及回采工作面制定過斷層方案的步驟。
The BP network model of prediction of gas gushing quantity for combined mining faces is established by means of BP network method of ANN theory. The error analysis and practical use show that co…
通過誤差分析及實際應(yīng)用，證明將關(guān)聯(lián)分析與BP網(wǎng)絡(luò)結(jié)合起來開展采面瓦斯涌出量預測是一種可行的方法。