基本解释[土木建筑工程]圆钢管轴心受压杆件英汉例句双语例句The long span dome structure are mostly steel truss structure. The member of steel truss are almost round steel tube, and curve chord.大跨度穹顶建筑物多采用钢桁架体系，钢桁架的杆件一般采用圆钢管，弦杆为曲线。round steel tube member更多例句专业释义土木建筑工程圆钢管轴心受压杆件