bench mining

常見例句

The experiment results show that high-bench mining is successful at Anqing copper Mine.
試驗(yàn)結(jié)果表明，高階段強(qiáng)化開采在安慶銅礦的試驗(yàn)研究獲得圓滿成功。
An experimental test of bench mining in the high and dangerous slope of a certain open-pit mine was made.
在某露天礦山的高危邊坡上進(jìn)行了臺(tái)階采礦的試驗(yàn)研究。
Based on the detection data, the basic conditions of each cavity were analyzed and the distribution of the cavities below each mining bench was investigated.
根據(jù)探測(cè)數(shù)據(jù)分析了各所測(cè)空區(qū)的基本情況，詳查各開采臺(tái)階下空區(qū)的分布情況。
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