4ÔÂ14-16ÈÕ£¬£¬£¬£¬£¬£¬£¬ÎªÆÚÈýÌìµÄ2021ĽÄáºÚÉϺ£µç×ÓÕ¹ £¨electronica China£©ÔÚÉϺ£Ð¹ú¼Ê²©ÀÀÖÐÐÄ¡³ÁÀ¿ªá¡Ä»£¬£¬£¬£¬£¬£¬£¬ÎüÒýÁËÍÈÊÉîÁª¡¢Ó¢´´Á¦¡¢Íò°²Ô£Î¬µÈÊý40ÓàPCBÐÐÒµÆóÒµ²Î¼ÓÁËÕⳡʢ»á¡£¡£¡£¡£¡£¡£¡£¡£
λÓÚPCBÖ÷Ìâ¹ÝN4.4550µÄÒøÓéCEGÓÅÔ½»á¿Æ¼¼Õ¹¹Ý£¬£¬£¬£¬£¬£¬£¬Ð¯·þÎñÆ÷¡¢ÐÂÄÜÔ´Æû³µ¡¢¸ß¶ËÏÔ¿¨¡¢ºñÍÏßȦ¡¢LEDµÈ19¿î²úÆ·ÁÁÏà¸ÃÕ¹,¼¯ÖÐչʾÎÒ˾ÔÚÍÆËã»ú¡¢Æû³µµç×Ó¡¢Í¨Ñ¶¡¢Ïû·Ñµç×Ó¡¢·þÎñÆ÷µÈÁìÓò×ÛºÏʵÁ¦¡£¡£¡£¡£¡£¡£¡£¡£
±¾´ÎÕ¹»á£¬£¬£¬£¬£¬£¬£¬ÒøÓéCEGÓÅÔ½»á¿Æ¼¼Åɳö¼¯ÒµÎñ¡¢ÏúÊÛ¡¢Ñз¢¡¢Æ·ÖÊÈËÔ±×é³ÉרҵÍŶӣ¬£¬£¬£¬£¬£¬£¬Îª¿Í»§Ìṩһ¶Ôһרҵ¡¢Öܵ½µÄ·þÎñ£¬£¬£¬£¬£¬£¬£¬Í¨¹ýÓÅÁ¼µÄ²úÆ·¼°ÓÅÁ¼µÄչ̨ÐÎÏ󣬣¬£¬£¬£¬£¬£¬Ïò¸÷ÐÐչʾ³ö×ÛºÏʵÁ¦ºÍ²úÆ·ÌØµã¡£¡£¡£¡£¡£¡£¡£¡£¿£¿£¿£¿£·¢Õ¹ÈýÌ죬£¬£¬£¬£¬£¬£¬ÎÒ˾ÈËÁ÷²»ÐÝ£¬£¬£¬£¬£¬£¬£¬Õ¹Ì¨ÓÀ´ÁËÖî¶à¿Í»§µÄÖܵ½À´·Ã¡£¡£¡£¡£¡£¡£¡£¡£²ÎÕ¹ÈËÔ±¶Ô¿Í»§¹Ø×¢ÎÊÌâµã½øÐоßÌå½â´ð£¬£¬£¬£¬£¬£¬£¬Õ¹»áÏÖ³¡¿ÕÆøÈÈÁÒ¡£¡£¡£¡£¡£¡£¡£¡£
±¾´ÎÊ¢»áÊÇPCB²úÒµµÄÒ»´ÎÓÅÁ¼Õ¹Ê¾£¬£¬£¬£¬£¬£¬£¬Ò²ÊÇPCBÆóÒµÓë¸ßµÍÓÎÆóÒµµÄÒ»¸öÓÅÁ¼»¥»»Æ½Ì¨£¬£¬£¬£¬£¬£¬£¬ÏàÐÅÕ¹»áµÄÕÙ¿ª½«»áÍÆ¶¯PCBÐÐÒµÓëµç×Ó²úÒµÔ½·¢ÓÅÁ¼¡¢ÓÐÐòµÄ·¢Õ¹¡£¡£¡£¡£¡£¡£¡£¡£

¹Ù·½Î¢ÐŹ«¼ÒºÅƽ̨