乡镇企业的东东,PCB腐蚀的线断了,然后跨了两根线,跨的还不在焊点上在很细的铜皮上,虚焊或者焊膏有腐蚀性断了。
乡镇企业的东东,PCB腐蚀的线断了,然后跨了两根线,跨的还不在焊点上在很细的铜皮上,虚焊或者焊膏有腐蚀性断了。
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2026 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy