For optimized fly ashes, specific surface value determined by air permeability method is more desirable than fineness value by sieve analys...
对于优化粉煤灰，用透气法测定其比表面积比用筛析法测定的细度，更适宜于表征粉煤灰的品质。
For optimized fly ashes, specific surface value determined by air permeability method is more desirable than fineness value by sieve analys...
对于优化粉煤灰，用透气法测定其比表面积比用筛析法测定的细度，更适宜于表征粉煤灰的品质。
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