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RACK FOR DETERMINING DRILLABILITY OF ROCK AND SELECTING DRILLING DUTIES
RACK FOR DETERMINING DRILLABILITY OF ROCK AND SELECTING DRILLING DUTIES
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机译:用于确定岩石可钻性和选择钻具的机架
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摘要
the invention относитс to the measuring устр - you дл studies св занных with the optimization process бурени geological exploration wells.the purpose of изобретени - enhancing the reliability of t
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