英语词汇“principal mining level”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	principal mining level
释义	principal mining level 主要开采水平
随便看	timing light timing line timing loop timing machine timing magnet timing magneto timing mark timing mark check timing marker timing mark sensor element timing mass timing master timing mechanism timing meter timing method timing minedestruction timing mine destruction mechanism timing model timing modulation timing motor timing network timing nut timing nuts timing of cylinder lubricator timing of decision 浑身是口，也难分说浑身是嘴说不清浑身是艺难遮冷，满腹文章不疗饥浑身是铁打得多少钉浑身是铁能打几根钉浑身是铁，打得多少钉儿？浑身是铁，打的多少钉儿浑身没四两浑身的汗毛都竖起来浑身都是胆しょうし【小史】しょうし【小子】しょうし【小祠】しょうし【小紙】しょうし【小誌】しょうし【尚歯】しょうし【抄紙】しょうし【焼死】しょうし【笑止】しょうし【証紙】