露天礦通風(fēng) mine ventilation system: 礦井通風(fēng)系統(tǒng)surface mine: 露天礦山air-to-surface mine: 空投的水雷mine surface survey: 礦山地面測(cè)量surface anchored mine: 水面錨雷下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯