The failure form of Ji 'nan luminous character after being subjected to electric shock is not fixed, but it usually causes welding line damage.
济南发光字遭受过电冲击后的失效形式并非固定，但通常会招致焊接线损坏。
The failure form of Ji 'nan luminous character after being subjected to electric shock is not fixed, but it usually causes welding line damage.
济南发光字遭受过电冲击后的失效形式并非固定，但通常会招致焊接线损坏。
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