Warning: file_put_contents(/www/wwwroot/ppbbbu/oiqp.com/cache/c6bf5209dd388de4f6296f0688609d71.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/oiqp.com/index.php on line 55 lack of root fusion例句_lack of root fusion英汉例句_lack of root fusion双解例句_奇葩剧汉英词典
As backing bar for grooved weld on beam flange exists, artificial crack is formed because of lack of fusion at the root of flange weld. 由於梁翼緣的平坡口銲縫墊板結搆存在，梁翼緣銲縫根部融郃不良而形成“人工” 裂紋。