通过导管在钢筋笼周围浇筑混凝土。混凝土不断升高，“泥浆”排出。
Finally, the concrete is placed around the reinforcement by termite and the "slurry" is displaced as the concrete rises to fill the trench.
通过导管在钢筋笼周围浇筑混凝土。混凝土不断升高，“泥浆”排出。
Finally, the concrete is placed around the reinforcement by termite and the "slurry" is displaced as the concrete rises to fill the trench.
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