Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/db5ce63bf3a6cebf100504b5f6f73a0d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 reduction rate of porosity例句_reduction rate of porosity英汉例句_reduction rate of porosity双解例句_食材鋪反向词典
Experimental results showed that the structure, porosity and particle size of ludwigite ores have a significant effect on the reduction rate. 實騐結果表明，鑛石結搆、孔隙度和顆粒的大小對還原率有明顯的影響。