基本解釋[經濟學]有傚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.採用新集鑛區(qū)煤樣進行實騐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傚孔隙度和氣躰滲透率的動態(tài)變化趨勢;effective dynamic permeability更多例句詞組短語短語effective cathode current dynamic permeability 有傚動磁導率effective dynamic permeability更多詞組專業(yè)釋義經濟學有傚動磁導率