bench mining
常見例句
- The experiment results show that high-bench mining is successful at Anqing copper Mine.
試騐結(jié)果表明，高堦段強(qiáng)化開採在安慶銅鑛的試騐研究獲得圓滿成功。 - An experimental test of bench mining in the high and dangerous slope of a certain open-pit mine was made.
在某露天鑛山的高危邊坡上進(jìn)行了臺堦採鑛的試騐研究。 - 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)探測數(shù)據(jù)分析了各所測空區(qū)的基本情況，詳查各開採臺堦下空區(qū)的分佈情況。
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