Institute of Hydrogeology and Engineering Geology, Bureau of Geology and Mineral Resources Investigation of Gansu Province,Bureau of Geology and Mineral Resources Investigation of Gansu Province
韩尚孝,杨晓奇.基岩水井采用泡沫潜孔锤钻进实践[J].钻探工程,2013,40(10):19-22.HAN Shang-xiao, YANG Xiao-qi. Practice of Bedrock Well Drilling by Foam DTH Hammer[J]. Drilling Engineering, 2013,40(10):19-22.
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