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P634.4 2
The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration,The Center of Land and Recourse Exploration, Hebei Bureau of Geology and Mineral Exploration
李晓晖,程林,李艳丽,等.深孔及松软地层大口径绳索取心钻具的研究与应用[J].钻探工程,2014,41(12):49-52.LI Xiao-hui, CHENG Lin, LI Yan-li, et al. Study on Large Diameter Wire-line Coring Tool in Deep Hole and Soft Formation Drilling and the Application[J]. Drilling Engineering, 2014,41(12):49-52.
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