impact pile driver 中文意思是什麼
impact pile driver
解釋
沖喚打樁機-
4 kinds of ways of influence analysis on safety of the near building structures were presented by analyzing the theory of vibration - impact pile driver system and the soil vibration
摘要通過對振動打樁機系統的理論分析和土體振動分析,提出了施工振動時鄰近房屋結構安全性影響分析的4種方。
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