電學

https://www.youtube.com/watch?v=VHIPZDrhR1s&list=PL5ZtkgjtF9wcpsyTZggBCOJ1gE3qNbCbk&index=4


https://www.youtube.com/@user-nk6po7jb8s/videos


https://www.youtube.com/@Brotherongsaidhydropower/videos


https://www.youtube.com/@yunchenglin6121/videos


https://www.youtube.com/@joechuang/videos


https://www.youtube.com/@user-uz5pb4fg6s/videos


https://www.youtube.com/@Brotherongsaidhydropower/videos


https://www.youtube.com/@electric1938/featured


https://www.edrawsoft.com/zh-tw/article-electrical-symbols.html


https://kknews.cc/zh-hk/news/56r2vpk.html


https://www.rapidtables.org/zh-TW/electric/electrical_symbols.html


http://www.360doc.com/content/24/0505/18/6710993_1122433039.shtml


http://www.dzkfw.com.cn/jichu/gongkong/9059.html#google_vignette




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