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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(nèi)適當(dāng)?shù)姆植紴樽悦艋晒μ峁┝擞辛Φ谋ＷC。