论文部分内容阅读
西部锡资源的开发 我国西部地区锡资源丰富,云南个旧、广西大厂都是世界闻名的大型锡矿。云南个旧锡矿已经开采了100多年,目前仍是世界主要的锡生产基地;广西大厂经过几十年建设,已成为我国第二大锡生产基地。目前我国是世界上最大的锡生产国和出口国,锡的矿产资源和生产主要分布在西部地区。 锡是我国宝贵的矿产资源,我国锡生产在世界具有较强的竞争能力。由于世界锡市场容量有限,国内锡生产和出口必须有序地进行。因此,国家把锡列入保护性开采矿种,对锡生产和出口采取一定的行政
The development of western tin resources China’s western region rich in tin resources, Yunnan Gejiu, Guangxi manufacturers are world-renowned large-scale tin. The Gejiu Tin Mine in Yunnan Province has been mined for more than 100 years and is still the world’s major tin production base. After decades of construction, the Guangxi Dachang has become the second largest tin production base in China. At present, China is the largest tin producer and exporter in the world. Tin mineral resources and production are mainly distributed in the western region. Tin is China’s precious mineral resources, tin production in our country has a strong competitive edge in the world. Due to the limited capacity of the world tin market, domestic tin production and exports must be conducted in an orderly manner. Therefore, the state of tin into protective mining, production and export of tin to take some administrative