Taking the oil well drilling and geological core drilling for examples, the recent advances of drilling technology at the beginning of the 21st century are briefly described.
以石油钻井和地质岩心钻探为例，论述了进入21世纪后，石油钻井和地质岩心钻中钻探技术研究与应用的新进展。
Taking the oil well drilling and geological core drilling for examples, the recent advances of drilling technology at the beginning of the 21st century are briefly described.
以石油钻井和地质岩心钻探为例，论述了进入21世纪后，石油钻井和地质岩心钻中钻探技术研究与应用的新进展。
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