As for the cracking of steam tube of HP lower cylinder found at the stage of major and minor repair in metalflaw detection, the welded elbow structure and its stress are analysed, and the corresponding advice and countermeasures are suggested.是什么意思_As for the cracking of steam tube of HP lower cylinder found at the stage of major and minor repair in metalflaw detection, the welded elbow structure and its stress are analysed, and the corresponding advice and countermeasures are suggested.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句