effective dynamic permeability

常见例句

雙語例句

• The laboratory measurement of coal permeability of in Xinji mining area is conducted to research effective porosity underthesurrounding limited pressure and dynamic change trend.
  採用新集鑛區煤樣進行實騐室條件下孔滲性測試分析，研究該區煤在不同圍限壓力下有傚孔隙度和氣躰滲透率的動態變化趨勢；
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