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surface-mining
law	露天采矿
surface mining
energ.ind.	露天采矿学
expl.	露天矿从地表通过向下阶梯剥离开采金属矿、煤及其他非金属等矿床的作业形式
mineral.	★ 露天釆矿学; ★ 煤 露天开采学
mining.	表层采矿
oil	露天采矿; 露天开采
tech.	露天开釆矿; 露天开采法
English thesaurus
surface mining
jewl.	Mining that takes place when the stones can be found close to the surface. This type of mining entails little heavy equipment as only the soil and overlying mineral deposits are removed. Surface mining is most commonly used to retrieve coal deposits.

surface-mining : 11 phrases in 4 subjects

Earth sciences	2
Explosives and Explosive Ordnance Disposal	5
General	1
Technology	3