dumping site短语¹⁴⁴⁹⁷²⁺² 基本例句 垃圾堆积场 Combined with engineering practice and test study of loess basement dumping site in a coal mine. More probe to flow deformation feature for evolution soft layer is given here. 结合对某矿黄土基底排土场的工程实践与试验研究，对演化弱层的流动变形特性做了进一步的探讨。 cnki