American western mining is one of the most important events in American western exploitation.
美国西部的采矿业是美国西部开发的重要组成部分之一。
At present, the mining industry has already become a mainstay in Western China.
目前矿业也已经成为西部地区重要的支柱性产业。
At present, the mining industry has already become a mainstay in Western China.
目前矿业也已经成为西部地区重要的支柱性产业。
应用推荐