measuring transistor with three-use electricity meter柯t生活科技教室用三用電表分辨npn或pnp電晶體並量測出cbe腳位 Published 4 months ago • 1.3K plays • Length 3:50 Download video MP4 Download video MP3 Similar videos 1:28 7391753709958614287.mp4 2:33 free power: just 2 magnets and spark plugs 7:20 烧氢气的内燃机，可能会颠覆你的认知！马斯克看了直呼内行！ 8:12 75万元的丰田氢燃料汽车mirai开起来是种什么体验？
