分析表明，钻头的设计应当充分结合其水力学特性进行，对此本文给出了所计算钻头的优化设计建议。
According to the analysis, it is showed that drill bit design should be combined with hydraulic character of the flow field.
分析表明，钻头的设计应当充分结合其水力学特性进行，对此本文给出了所计算钻头的优化设计建议。
According to the analysis, it is showed that drill bit design should be combined with hydraulic character of the flow field.
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