... 钻井目标函数(钻井泛函)objective function of drilling procedure 钻进过程的数学模型mathematical model for drilling procedure 钻速方程equation for drilling rate ...
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钻进式井壁取心器||rotary sidewall sampler 钻进数学模型||mathematical model for drilling procedure 钻井泵工作状态||the working regime of drilling pump ..
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