翻訳と辞書 Words near each other ・ Underground Hero ・ Underground hip hop ・ Underground hospital ・ Underground hydrogen storage ・ Underground Kingz ・ Underground lake ・ Underground Literary Alliance ・ Underground living ・ Underground Lizard People ・ Underground Lovers ・ Underground Lovers (album) ・ Underground Luxury ・ Underground media in German-occupied Europe ・ Underground Memoirs ・ Underground mine ventilation ・ Underground mining (hard rock) ・ Underground mining (soft rock) ・ Underground music ・ Underground Music Movement ・ Underground Network ・ Underground nuclear weapons testing ・ Underground Operations ・ Underground Out of Poland ・ Underground Personnel Carriers ・ Underground pneumatic boring ・ Underground poker ・ Underground power station ・ Underground press ・ Underground Press Syndicate ・ Underground producciones Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Underground mining (hard rock) ： ウィキペディア英語版 Underground mining (hard rock) Underground hard rock mining refers to various underground mining techniques used to excavate ''hard'' minerals, mainly those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds. In contrast soft rock mining refers to excavation of softer minerals such as salt, coal, or oil sands. ==Mine access== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Underground mining (hard rock)」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.