Warning: file_put_contents(/www/wwwroot/ppbbu/3350.cn/cache/eed4766a5906e9eadc838ca10cc45687.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/3350.cn/index.php on line 58 pearlstone是什么意思，pearlstone的翻译，pearlstone音标、读音、用法和例句_萬杯潔海词词典
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。