露天開採;露天礦 mining shaft and open-pit: 采礦井場open pit mining: 露天采礦法; 露天采戍; 露天開采; 明坑采礦法; 明坑法open-pit mining: 露天采礦open mining: 露天開采open pit: 采石場; 露天采掘場; 露天開采坑下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
