Concrete-filledCOCA²³⁴⁷⁵¹ 基本例句 填充混凝土¹⁰⁰ Test results show that the concrete-filled steel tube and the reinforced concrete deform simultaneously in the axial direction before and at the peak value of axial compressive force. 试验结果分析表明，峰值承载力前和达到时，钢管和管外钢筋混凝土纵向变形一致； www.buildingstructure.com.cn