- 崩塌式采礦法
- 大塊坍落
- 分塊崩開采法
- 分塊崩落開采法
- 階段崩落法
- 礦塊崩落采礦法
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block caving中文什么意思
例句與用法
- An experimental study on the block caving system in fengshan copper mine
豐山銅礦自然崩落法的試驗(yàn)研究 - Forced block caving
強(qiáng)制分段崩落開采 - Prediction study of caving space in block caving mining method by magnetic strength change measured in field
利用磁鐵礦磁場變化預(yù)測崩落空間的現(xiàn)場研究 - The conventional methods for mining such seams including the longwall blasting and block caving suffer form the drawbacks of being low in recovery , high in labor intensity and low in efficiency . after shifting to the use of the fully - mechanized extraction system by the zhaogezhuang branch mining industry co . of kailuan ( group ) co . , the mining of the pitching seams has met with remarkbable social and economic result
針對大傾角煤層長壁炮采、落垛等采煤方法,存在回采率較低、員工勞動強(qiáng)度大、高產(chǎn)高效受限及安全等諸多問題,開灤(集團(tuán))趙各莊礦業(yè)分公司在探討大傾角煤層采煤工藝的改革及實(shí)踐大傾角煤層綜合機(jī)械化采煤過程中,取得了較好的社會經(jīng)濟(jì)效益。