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.
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。
It emphases introduces the way and the effect of drilling and blasting construction at the bedrock section of main shaft.
重点介绍了井筒基岩段钻眼爆破施工方法及效果。
The good effect of high speed progress and safety in construction are obtained while the technology is executed in the project of Ji Tai high way.
该技术在济泰高速公路建设中应用，取得了快速、安全的良好效果。
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