但国营铜企智利国家铜业公司(Corporaci口nNacionaldelCobre)拥有的世界最大地下矿山ElTeniente在周日较晚时候恢复了运营,不过该公司的Andina矿山仍然关闭。
State-run copper concern Corporaci ó n Nacional del Cobre , however , reopened El Teniente , the world 's biggest underground mine , late Sunday , though its Andina mine remained closed .