During the construction of permanent ship lock of the Three Gorge, bugs are existed in some parts of the concrete, such as honeycomb, pock, stagger and so on.

 
  • 作为边坡工程加固的重要手段,预应力锚固技术在三峡永久船闸高边坡综合锚固工程中得到广泛应用。
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