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一ã€é’¢¾l“构加工应按焊接质é‡è¦æ±‚åQŒå³UT探伤½{‰çñ”å’Œæ¿æåŽšåº¦ï¼Œ¼‹®å®šç„пޥå¡å£å½¢å¼å’Œç„ŠæŽ¥é¡ºåºï¼Œå¦‚æ¿åŽšå¤§äº?2--35㎜的è…ÒŽ¿ä»¥åŠå¯ÒŽŽ¥æŽ¥å¤´ã€T形接头和å字接头工äšgåQŒå…¶å¡å£å®œåˆ¶æˆä¸å¯¹ç§°åŒé¢å¡å£åQŒå®žè·µè¯æ˜Žä¸å®œåˆ¶æˆX对称å¡å£(ç‰Òޮпƒ…况除外)。焊接顺åºåº”首焊å¡å£æ·Þqš„一侧打底焊åQŒç„Šè‡³ä½ŽäºŽæ¯æè¡¨é?.5--2㎜时åQŒå°†å·¥äšg¾˜»èínåQŒå¯¹é¦–焊打底焊的背é¢ç„Šé“åQŒç”¨¼„›_ˆ¨æ¸…æ ¹åŽæ‰“底焊åQŒç›´è‡³ç›–é¢ç„Šå®Œå·¥åŽï¼Œå†å°†é’¢ç»“构加工äšg¾˜»èínåQŒç„Šé¦–焊打底焊焊¾~的盖é¢ç„Šã€?</p> <p> 二ã€å¯¹åŒé¢éžå¯¹¿U°å¡å£ç„ŠæŽ¥ï¼Œå®œå…ˆç„Šæ·±å¡å£ä¾§éƒ¨åˆ†ç„о~,åŽç„Š‹¹…å¡å£ä¾§(å«ç›–é¢ç„Š)åQŒå¾ˆåŽç„Šå®Œæ·±å¡å£ä¾§çš„ç›–é¢ç„Šã€?</p> <p> 三ã€é’¢¾l“构加工对于钢æ¿åŽšä¸å¤§äºŽ8㎜,且åˆå±žè…¹æ¿ä¹‹¾cÈš„长焊¾~,宜采用分ŒDµé€€ç„Šæ³•(ä¸ŽèŸ©ç„Šæ³•ç›æ€¼¼åQŒé¿å…é’¢¾l“构加工件加热集ä¸?åQŒæˆ–与多人对¿U°ç„ŠæŽ¥æ³•åŒæ—¶˜q用ã€?</p> <p> 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