Warning: file_put_contents(/home/www/wwwroot/ndsq.cn/cache/a742d82c0434447803da2849bd95e8bf.txt): failed to open stream: No space left on device in /home/www/wwwroot/ndsq.cn/index.php on line 55 round steel tube member是什么意思，round steel tube member的翻译，round steel tube member音标、读音、用法和例句_开心英文字典_柠咚词
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。