The measurement of engineering parameters near the bit while drilling is of significant importance for the safety and efficiency in a drilling process.

钻井过程中，近钻头处钻压、扭矩等钻井工程参数的随钻准确测量对安全、高效钻井是十分重要的。

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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。

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This article briefly introduces the drill bit condition effected during drilling process and the program - Ming technique to drilling data.

简要介绍数控钻孔加工过程中，钻头的受力情况和对应钻孔程序的编制技巧。

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