基本解釋[水利工程]孔隙率降低率英漢例句雙語例句Experimental results showed that the structure, porosity and particle size of ludwigite ores have a significant effect on the reduction rate.實驗結果表明，礦石結構、孔隙度和顆粒的大小對還原率有明顯的影響。reduction rate of porosity更多例句專業(yè)釋義水利工程孔隙率降低率