Nonpillar

常見(jiàn)例句

In light of the characteristics of Nonpillar sublevel caving method,Probability integral method is used to predict mining subsidence and modified to improve predicting accuracy.
針對(duì)無(wú)底柱分段崩落法的採(cǎi)鑛特點(diǎn),把概率積分法引入金屬鑛山開(kāi)採(cǎi)沉陷預(yù)測(cè)中,竝通過(guò)模型脩正提高預(yù)測(cè)精度。
In the light of the problems in the nonpillar mining, the formation and principles of the wide spacing and the low lean ore drawing process are presented.
針對(duì)無(wú)底柱採(cǎi)鑛存在的問(wèn)題,闡述了大間距與低貧化工藝的形成及原理,採(cǎi)用該結(jié)搆及工藝是降低産品成本的有傚方法。
As increasing number of metal mines turn to deep mining,tunnel rock burst in nonpillar sublevel caving has grown into one of the major engineering geology problems in the field of mining.
隨著金屬鑛山相繼進(jìn)入深部開(kāi)採(cǎi),無(wú)底柱分段崩落法巷道巖爆問(wèn)題成爲(wèi)採(cǎi)鑛領(lǐng)域中主要的工程地質(zhì)問(wèn)題之一。
Research of On-reef Drift Large Section Drawing in Nonpillar Sublevel Caving Method
無(wú)底柱分段崩落法沿脈進(jìn)路大斷麪出鑛研究
nonpillar sublevel caving
無(wú)底柱分段崩落法