对湿式燃气储气罐水槽底板漏水的处理方法进行了比较，介绍了挖掘法的施工方法和效果。
The paper compares the methods dealing with water leakage from trough bottom of water-sealed gasholder, and introduces the construction way and effect of excavation method.
结合工程实例，详细介绍了湿式外包钢加固法的设计与施工要点。
Combined with engineering practice, the design and installation of wet-enclosing steel method is presented in this paper.
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