The relative percolation relations of RCC layer surface under different behaviours have been obtained by studing the impermeability of RCC layer surface and body.是什么意思_The relative percolation relations of RCC layer surface under different behaviours have been obtained by studing the impermeability of RCC layer surface and body.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句