周六早上八点,智利北部圣何塞金矿和铜矿汽笛鸣响, 欣慰的泪水沿着每个人的面颊流下,到处充盈着香槟酒的味道.
AT EIGHT o’clock on Saturday morning, sirens sounded and tears of relief—and champagne—flowed at the San José gold and copper mine in northern Chile.
采用声发射与声波对云南大姚铜矿盘区开采过程进行监测分析，用声彼仪对支撑顶板的点柱进行监测；
The panel mining process of Dayao Copper Mine, Yunnan was monitored and analysed with acoustic emission(AE)and acoustic wave (AW)methods.
发现并证实了巴斯克·塔尔苏铜矿(化)点，西地溯拉克铜矿(化)点的分布范围、深部延伸及产出状态。
The distribution, deep extension and output state of copper points from Basike-Taersu copper and the Xidi-Shuolake copper were discovered and confirmed.
发现并证实了巴斯克·塔尔苏铜矿(化)点，西地溯拉克铜矿(化)点的分布范围、深部延伸及产出状态。
The distribution, deep extension and output state of copper points from Basike-Taersu copper and the Xidi-Shuolake copper were discovered and confirmed.
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