Warning: file_put_contents(): Only 0 of 6385 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 pearlstone是什么意思，pearlstone的翻译，pearlstone音标、读音、用法和例句_耀久九英英词典
Comparing expaneded AN with common AN and pearlstone,the micro air bubble distribution and its regularity in expanded AN are given which provide powerful basis... 與普通硝酸銨及珍珠巖相比較,微氣泡在膨化硝酸銨內適儅的分佈爲自敏化成功提供了有力的保証。