In this paper, carbon fiber strengthening technology is used to strengthen the reinforced concrete which cracked because of freezingaction.
采用碳纤维加固技术，对因受冻害而发生开裂的混凝土结构进行了加固处理。
2
I left the shutter open to capture his flashing flight path, freezing minutes of time and action into a single image.
我打开相机快门，捕捉它闪过的飞行路径。拍了几分钟，然后合成了一张图片。
3
Based upon analysis of the freezing damage of concrete and its causing reasons the performances, action mechanism and application scopes of different concrete antifreezes are introduced.