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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。
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Finding Resources for the Motherland
find meteorite
Fine
fine
fine adjustment
fine analysis
fine art
Fine Art Photography
Fine Art photography
Fine Arts Museum in Xi’an Academy of Fine Arts
Fine Arts teaching method
fine art theory
fine awareness
fine balance
fine balance principle
fine blanking
fine-bore
fine boring machine
Fine Chemicals
fine classification
fine classifying
fine-collimation
fine complex moduli space
fine cotton
fine covering
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