基本解释珍珠巖同根派生 pearlstone相关词英汉例句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。pearlstone更多例句