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地质岩心钻探
释义
地质岩心钻探
Encyclopedia
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。
随便看
the Song Dynasty Biographies of Eminent Monks
The Song Dynasty mausoleum
the Song Dynasty notes
the Songjiang Eighteen Scholars Society
The Song of Chile
The Song of Chinese Revolution
The Song of Everlasting Sorrow
The Song of Hiawatha
The Song of Igor’s Campaign
The Song of Kumarbi
the Song of Lei Feng
The Song of Los
The Song of Marfanto
The Song of Red Flowers
The Song of Songs
The Song of the Earth
The Song of the Goddess
The Song of the Old China
The Song of Yesterday
The Song of Youth
the song with stepping dance
The Son of Man
The Sorrows of Young Werther
The Soul of China
The soul of the Yellow River
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