Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/b7d086c063958fbe006c6815d50114a2.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 multispan是什么意思，multispan的翻译，multispan音标、读音、用法和例句_衣物护欧路词典
The sections of pipelines that are over rivers always form multispan beam structure because of scouring, suspending and reimforcing. 输油管线穿河段由于冲刷悬空，打桩加固形成多跨梁式结构。