单词	portland-pozzolan cement
释义	portland-pozzolan cement noun : a portland cement to which pozzolana is added during the grinding of the cement clinker Word History Etymology portland cement + pozzolana
随便看	franticly franticness franticnesses franz jo Franz Josef Land franzy François Premier frap fraple frapler frappe frapped frappeed frappeing frapper frappes frappest frapping frappé fraps fras Frascati frascatis frasch method Frasch process

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