Small day plug still has holes with its socket easy to use why don't we learn

Hello everyone I am bald electromechanical
Sany Heavy Industry Quality Engineer
Quality Education Creators
Focus on electronic technology
Sharing and Dissemination of Home appliance Maintenance Knowledge
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bald electromechanical# education# electronic technology# home appliance maintenance

[@artist1128]

真的安全，也保證了接觸面積