The Water absorption (Wa), Porosity (Pa), Bulk density (D) and crushing strength, acid resistance, alkali resistance have been tested.是什么意思_The Water absorption (Wa), Porosity (Pa), Bulk density (D) and crushing strength, acid resistance, alkali resistance have been tested.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句