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当人体触电或进行电针灸治疗时 ,都会有电流通过人体 ,但这个电流的流程是不可直观的。因而 ,讲解《安全用电》一节时 ,不少同学弄不清楚电流是如何通过人体的。“电流通过人体演示器”用于教学后 ,收到了极好的效果。下面简介它的制作方法和使用说明 ,以供同行参考。一、制作
When the human body is electrocuted or treated by electro-acupuncture, there will be current flowing through the body, but this current flow is not intuitive. Therefore, when explaining the section on “Safety Use,” many students could not figure out how current flows through the human body. After the “current through the human body demonstrator” was used for teaching, it received excellent results. The following describes its production methods and instructions for reference by peers. First, make