After a brief description of the design feature and rock breaking mechanism of the disc one cone bit, the rock breaking process, test data and dynamic curves of a rock penetration test on a gritstone are introduced in detail.

  • 在简述盘式单牙轮钻头的结构特点和破岩机理的基础上,详细介绍了这种钻头在资中重二砂岩上进行台架试验的破岩过程、试验数据和动态曲线。

  • 互联网摘选 2025-01-20 19:00:35

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