经济投资系统
economy investment system
林下经济投资
investment on developing understory economy
中国科技促进经济投资公司
China science and technology promotion economic investment company
调整投资结构和经济结构
therestructuringofinvestmentandtheeconomy
江苏省地矿局经济技术投资中心
Center of Economic Technology and Investment Bureau of Geology and Mineral Resouces
jiangsu province
血液经济订购量
Blood Economic Order of Quantity
选矿经济技术指标
beneficiation economic and technical indices
选矿技术经济指标
technical economy index of concentration