目的 The typical pulmonary metastases is usually round variable-sized nodules or/and diffuse thickening of the interstit......

针对矿山坑道钻探中遇到松散、裂隙、节理发育的岩层或溶洞以及不含水的砂砾、卵石、漂石层时冲洗液大量漏失的问题,设计一套适用......

水闸加固采用土石围堰导流,须降低水库水位,因此导致发电效益降低,同时对取水、防洪及环保等方面造成不利影响。南津渡水闸加固工......

A space-dispersed double-wall jet combustion system was developed by adopting the wall-guiding spray method and the stra......