石昆山. 金刚石钻头综合效益评价模式[J]. 煤田地质与勘探, 1990, 18(1): 68-70.
引用本文: 石昆山. 金刚石钻头综合效益评价模式[J]. 煤田地质与勘探, 1990, 18(1): 68-70.
The Model of the Comprehensive Effect Evalution on Diamond Bit[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(1): 68-70.
Citation: The Model of the Comprehensive Effect Evalution on Diamond Bit[J]. COAL GEOLOGY & EXPLORATION, 1990, 18(1): 68-70.

金刚石钻头综合效益评价模式

The Model of the Comprehensive Effect Evalution on Diamond Bit

  • 摘要: 根据现在评价钻头指标所存在的不足,提出了评价钻头综合经济效益的模式。

     

    Abstract: This paper proposed the model of the comprehensive effect evalution on diamond bit, In order to improve the evalution index of the bit.

     

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