Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/ee06ad0fafbb13202f63a9447843a292.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 beam crossover例句_beam crossover英汉例句_beam crossover双解例句_欧米惠必应词典
During pipe line laying or large beam support welding, it often meets crossover of two or multi different axis large diameter pipe piece. 在管道铺设或大型梁架焊接过程中，往往会遇到两个或多个不同轴线的大直径管件相交的情况。