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本文从钻柱力学分析入手,建立了抛物线剖面力学模型,推导出抛物线的基本方程,提出了四种设计,并给出了设计例题。
Starting with the mechanics analysis of drill string, this paper establishes a parabola profile mechanics model, derives the basic equation of parabola, puts forward four kinds of design, and gives the design example.