SJL daub can be used to repair cement or concrete products for their outlook defects.
2
如果页面上存在外观缺陷，很容易发现是哪段代码(组件)导致的问题。
If there is some visual defect on the page, it's pretty easy to figure out what piece of code (component) is causing the problem.
3
分析了混凝土结构外观缺陷产生的原因，提出了相应的施工预防措施及处理方法。
The paper analyses the reason why the appearance defect of concrete structure appears, and puts forward the corresponding precaution and treatment in construction.
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