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我国西部地区12个省(区、市)幅员686.7万平方公里,人口3.65亿,其中少数民族0.748亿,全国2.2万公里陆路边境线有1.9万公里在西部,与我国陆地接壤的14个国家中有13个与西部相连。西部地区蕴藏着丰富资源,原生钛铁、铬、锰、钒、铅、锌、铝土、磷等矿产均占全国基
In the western region of our country, 12 provinces (autonomous regions and municipalities) have a total area of 6.867 million square kilometers and a population of 365 million, of which ethnic minorities are 74.8 million. There are 19,000 kilometers of border roads along the country’s 22,000 kilometers in the west and 14 countries bordering China’s land Thirteen are connected to the west. The western region contains a wealth of resources. The native ferrotitanium, chromium, manganese, vanadium, lead, zinc, bauxite and phosphorus all occupy the national base