本文结合工程实例介绍动力分析的方法和步骤。
The method and steps of the analysis are introduced with some project examples.
本文结合工程实例介绍减震爆破的控制过程和爆破方法。
Combining engineering, this article introduces blasting method and controlling process to reduce drilling vibration.
本文结合工程实例，介绍预应力钢筋张拉时理论伸长值的计算方法。
The paper introduces the calculation methods of extension of prestressed reinforcement combining with project instance.
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