mathematical model for drilling procedure的意思|示意

钻进过程的数学模型 ... 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 ...

钻进数学模型 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 ..