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单词
地质钻孔
释义
地质钻孔
Encyclopedia
理学
地质钻孔
释
drill hole; bore-hole
地质钻孔
在地质勘查工作中,利用钻探设备向地下钻成的直径较小、深度较大的柱状圆孔。又称钻井。
随便看
canonical representation
canonical resolution
canonical ring
canonical scale
canonical scale dimension
canonical scheme
canonical section
canonical sections
canonical sequence
canonical series
canonical set
canonical sheaf
canonical singularity
canonical solution
canonical statistic
canonical structure
canonical surface
canonical surjection
canonical system
canonical time unit
canonical topology
canonical transformation
canonical translation
canonical valuation
canonical variable
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