科学 什么是串联和并联电路 - 串联和并联电路中的灯泡亮度有什么不同【活动篇】五年级 Kssr
Synopsis
串联和并联电路种灯泡的亮度有什么不同？ 我们来比比看谁比较亮！ 影片内容： 0:00 比较串联电路和并联电路灯泡的亮度0:12 电路 ...
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