1·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.
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.
2·We'll be the second-largest copper mine in the world with a very inexperienced workforce with a big training program.
我们将成为世界第二大的铜矿，拥有一群缺乏经验的劳动力，需要大量的培训计划。
3·But Mr Piñera looked to Codelco, which runs the world’s biggest underground copper mine in El Teniente, to lead the rescue operation.
但是，皮涅拉一心指望着Codelco领导救援工作。 Codelco位于厄尔特尼恩特，是世界上最大的地下铜矿。
4·There are 400 kilometers from Hami, Hami now found the state's largest copper mine.
离哈密还有400公里，哈密现在发现了国家最大的铜矿。
5·Abstract: : In view of the Xinjiang some copper mine ore nature characteristic, carries on the different plan acid pickling small experiment separately.
摘罙要：针对新疆某铜矿矿石性质特点，分别进行不同方案酸浸小型试验。