基本解釋[經(jīng)濟學]有效動磁導率英漢例句雙語例句The laboratory measurement of coal permeability of in Xinji mining area is conducted to research effective porosity underthesurrounding limited pressure and dynamic change trend.采用新集礦區(qū)煤樣進行實驗室條件下孔滲性測試分析，研究該區(qū)煤在不同圍限壓力下有效孔隙度和氣體滲透率的動態(tài)變化趨勢；effective dynamic permeability更多例句詞組短語短語effective cathode current dynamic permeability 有效動磁導率effective dynamic permeability更多詞組專業(yè)釋義經(jīng)濟學有效動磁導率