When repairing circuit boards, which is better? Make a comparison at a glance

Circuit board repair tips, which one is better, compare it
When repairing circuit boards, which of the two washing water is better? Make a comparison at a glance [learn hydropower together]
Share some knowledge about water, electricity and security
Share daily hydropower skills
Hydropower is actually very simple, learn to solve small troubles in life
Engineering men who like hydropower pay attention to me and learn and make progress together
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#Hydropower maintenance#Water and electricity knowledge#washing board water