... perforation clean-up 炮眼清洗 perforation coefficient 射孔系数 perforation compacted zone 炮眼四周挤压密实层 ...
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The shot diameter, shot density and shot phasing related to the collapsing strength coefficient are analyzed, and the result is helpful to the perforation optimum design.
利用推导的抗挤强度系数理论公式分析孔径、孔密及相位角的变化对其抗挤强度系数的影响,其结果为优化射孔设计提供了简便的方法。
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