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钻进
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钻进
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drilling
钻进
利用钻井工具破碎井眼内的岩石或其他介质,使井眼不断深入的井下作业。
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Russian state Polytechnic University named A.H. Koseigin , Textile institute named A.H. Koseigin
Russian state Polytechnic University named A.H. Koseigin,Textile institute named A.H. Koseigin
Russian State University of Cinematography
Russian State University of Physical Education, Sport, Youth and Tourism
Russian strategic offensive nuclear weapon
Russian sturgeon
Russian tap dance
Russian United Engine Corporation
Russian University of Transport
Russian vegetation school
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Russia 's economic transition
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Rust Belt
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