The unbonded high-strength strand used in the concrete columns can minimize the residual deformations effectively. 在混凝土柱中配置預應力無(wú)粘結鋼絞線(xiàn)可以有效控制殘余變形。
From the roof the rainwater is brought down in downpipes, located between concrete pilaster strips. 在外墻的扶壁混凝土柱之間設置了雨水管。
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