老是跳闸，找到故障原因，差点笑出声。。。【城阳电工电路】#电工维修

Hi everyone, this is the only channel in YouTube [Chengyang Electrical Circuit] ~ I am an ordinary electrician in Qingdao, Shandong Province. I have been engaged in 18 years of maintenance and installation of factories, equipment, families and various circuits to share knowledge of electricity consumption, maintenance process, various circuit maintenance examples videos like my videos can be subscribed to oh ~    / @城阳电工电路   maintenance# vlog# circuit# repair# knowledge# encyclopedia is always tripping, finding the cause of the failure, almost laughing... [Chengyang Electrical Circuit]# Electrical Maintenance