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取心钻进
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取心钻进
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coring drilling
取心钻进
采用环形钻头(空心钻头)刻取岩土,让柱状岩心从钻头底部进入岩心管并将其打捞至地表的钻进方法。
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North China Quyi School
North China Union University
North China Working Committee on Operatic Music
North China(continental massif)minerogenetic province
North Chinese Phonology
North Chinese sounds
North Chungcheong
Northcliffe Revolution
North Dakota State
North door of St.Baptist
North Duisburg Landscape Park
Northeast Agricultural University
Northeast area revitalization plan
Northeast Army of Volunteers in the Anti-Japanese War
Northeast Asia race
North-East Atlantic Fisheries Commission
northeast China Dagu ballad
Northeast China dagu storytelling
Northeast China Literature and Art Association
Northeast China Tiger and Leopard National Park System Pilot Site
northeast Chinese brown frog
North-East District
Northeast Document Conservation Center
northeast dwelling
Northeastern China coal occurrence area
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