The mechanical analysis of the bit in the process of drilling is the bas- is of bit trajectory prediction.

对钻头在钻进过程中的受力分析是准确预测钻头轨迹的基础。

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The mechanical analysis of the bit in the process of drilling is the bas- is of bit trajectory prediction.

对钻头在钻进过程中的受力分析是准确预测钻头轨迹的基础。

youdao