１９９７年我局全面开展对我省区域内第三系砾岩金勘查工作，引进了“反循环中心取样雾化钻探工艺”，经过局及地质六院等有关人员充分论证、积极筹措，于七月上旬配套购置和组装出该生产工艺所需钻探设备及其附属工具，先后在三个地质条件截然不同矿区进行了施工，共完成... In 1997, our bureau fully carried out the prospecting work of Tertiary conglomerate rock in the region of our province and introduced the “anti-circulation center sampling atomizing drilling process”. After the Bureau and the relevant departments such as the Sixth Institute of Geology, etc. fully demonstrated and actively raised, In early April, we have purchased and assembled the drilling equipment and ancillary tools required for the production process in succession, and successively completed construction in three distinct geological conditions ...