Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/246950fd7cb170762588695f93285204.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 acute arch例句_acute arch英汉例句_acute arch双解例句_果味酸柯林斯词典
The lateral stiffness of the single rib arch is very small due to it removed the lateral bracing, so the lateral stability of the arch rib is the acute issue. 由于去掉了中间的横向联系，侧向刚度很小，拱桥的横向稳定问题特别突出。