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不提钻换钻头
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不提钻换钻头
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理学
钻进工艺
释
replacing bit without lifting drills
不提钻换钻头
绳索取心钻进过程中,在不起下钻的情况下,将孔底旧钻头单独或随内管总成一起打捞至地面,并将新钻头单独或随内管总成一起下入孔底进行钻进的作业。
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Borel fixed-point theorem
Borel function
Borel group
Borel hierarchy
Borel integral method
Borel isomorphic space
Borel isomorphism
Borel-Lebesgue theorem
Borelli
Borel limit
Borel matrix
Borel-measurable
Borel measurable function
Borel-measurable function
Borel-measurable mapping
Borel-measurable process
Borel-measurable set
Borel measure
Borel method
Borel Moore homology
Borel-Moore homology
Borel probability measure
Borel-regularized sum
Borel relation
Borel set
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