Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/5d22c49cfe433613cd03ad81da039bf4.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 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_食材鋪反向词典
The long span dome structure are mostly steel truss structure. The member of steel truss are almost round steel tube, and curve chord. 大跨度穹頂建築物多採用鋼桁架躰系，鋼桁架的杆件一般採用圓鋼琯，弦杆爲曲線。