A kind of high strength silica fume concrete C70, which is of good cavitation resistance and abrasion resistance, is used in the Xiaolangdi flood discharge project.是什么意思_A kind of high strength silica fume concrete C70, which is of good cavitation resistance and abrasion resistance, is used in the Xiaolangdi flood discharge project.在线翻译_英语_读音_用法_例句