路易斯·乌尔·祖阿，一名54岁的值班长，作为实际上矿工们的领导者走入了人们的视线。
Luis Urzua, a 54-year-old shift foreman, has emerged as the DE facto leader of the miners ...
地下矿监，值班班长，或煤矿主管需要省级认证。
Provincial certification as an underground mine supervisor, shift boss, or coal mining supervisor may be required.
地下矿监，值班班长，或煤矿主管需要省级认证。
Provincial certification as an underground mine supervisor, shift boss, or coal mining supervisor may be required.
应用推荐