The loose and weak fly ash has been strengthened to dense condition by vibroflotation. The relative density and unit weight have been increas- ed to 0.65 and 9.5 kN/m~3 from 0.09 and 8 kN/m~3 respectively.是什么意思_The loose and weak fly ash has been strengthened to dense condition by vibroflotation. The relative density and unit weight have been increas- ed to 0.65 and 9.5 kN/m~3 from 0.09 and 8 kN/m~3 respectively.在线翻译_英语_读音_用法_例句