资源回采率与费用关系研究
任一鑫, 李英德, 孙丕悦, 宗科
Study On Relation between Resources Recycle Rate and Expenses
REN Yi-xin, LI Ying-de, SUN Pi-yue, Zong Ke
矿冶工程 . 2006, (3): 88 -91 .