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地质岩心钻探
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地质岩心钻探
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理学
钻探工程
释
geological core drilling
地质岩心钻探
使用专用钻探机械,利用圆筒状钻头、岩心管和钻杆等组合成钻具,在岩石中环状破碎岩石,在孔底中心部分保留一个柱状的岩心,再从孔内取出岩心用以研究地质和矿产情况的钻探。简称地质钻探。是钻探工程学科下最重要的分支学科,是固体矿产地质勘探中采用的主要技术方法。
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the dramatic building of the Huguang Guild Hall in Beijing
the dramatic building of the Jingxin Temple in Taigu District
the dramatic building of the Lukang Longshan Temple in Zhanghua
the dramatic stage model and Zaju Opera figurines in the tomb of Jin Dynasty (AD 1115-1234) in Jiang Village, Anyang City
the Dramatic Stage Monument in the Jade Emperor Temple of Suzhai Village, Boai County
the dramatic stage of the Bixia Temple on Mount Tai
the dramatic stage of the Shanshan Guild Hall in Liaocheng
The Dream Factory
The Dream of a Lady
The Dream of Cherry
The Dream of Chinese Children
The Dream of Going Back to the South
The Dream Of Red Mansions
the Dream of Wind and Moon
The Drive to Win
The Drum of Yao People
The Drunken Grandma Bai
the dual filial piety model
The Duchess of Malfi
The Duckweed Literary Society
The Duel
the Duli Yusi Classic
the durability of civil engineering materials
the durability of metallic materials
The Dutch Courtesan
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更新时间:2025/11/4 15:54:07