nocheonchaegwang
open-pit mining
exploitation minière à ciel ouvert ; exploitation à ciel ouvert ; mine à ciel ouvert
노천채광은 대규모 자원 채굴에 사용됩니다.
nocheonchaegwang-eun daegyu-mo jawon chaegul-e sayongdoemnida.
Open-pit mining is used for large-scale resource extraction.
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