effective dynamic permeability

常见例句

双语例句

• The laboratory measurement of coal permeability of in Xinji mining area is conducted to research effective porosity underthesurrounding limited pressure and dynamic change trend.
  采用新集矿区煤样进行实验室条件下孔渗性测试分析，研究该区煤在不同围限压力下有效孔隙度和气体渗透率的动态变化趋势；
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