使用修补材料后，墙体需彻底干燥。
After using the repair material, the wall need to thoroughly dry.
紫外光照射一个月，修补材料的强度可以保持99%；
The flexural and tensile strength can hold 99% under ultraviolet light radiation for one month.
紫外光照射一个月，修补材料的强度可以保持99%；
The flexural and tensile strength can hold 99% under ultraviolet light radiation for one month.
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