杨家杖子矿务局,杨家杖子矿务局,yangjiazhangzi kuangwuju,矿务局,杨家,kuangwuju,yangjiazhangzi,[拼音]:yangjiazhangzi kuangwuju[外文]:Yangjiazhangzi Mining Administration中国最早的钼矿产地,位于辽宁省锦西县。1899年(清光...