openpit mining 뜻

• phrase, 노천채광

• openpit    noun, adjective, adverb, 노천굴(로 )
• mining    noun, 채광, 광업
• openpit    noun, adjective, adverb, 노천굴(로)
• bauxite mining    철반석 광업
• coal mining    phrase, 채탄, 탄광업
• copper mining    동광업
• data mining    데이터 마이닝
• gold mining    금광 금광업
• history of mining    광업사
• iron mining    철광업
• mine (mining)    광산
• mining by country    나라별 광업
• mining by mineral    광물별 광업
• mining communities    광산촌
• mining companies    광업 회사