基本解釋[水利工程]孔隙率降低率英漢例句雙語(yǔ)例句Experimental results showed that the structure, porosity and particle size of ludwigite ores have a significant effect on the reduction rate.實(shí)驗(yàn)結(jié)果表明，礦石結(jié)構(gòu)、孔隙度和顆粒的大小對(duì)還原率有明顯的影響。reduction rate of porosity更多例句專(zhuān)業(yè)釋義水利工程孔隙率降低率