白炽灯，节能灯和led灯的发光原理是什么？它们之间的区别又有多大？？
Synopsis
续之前灯泡实验的影片，我特别准备这一期来讲解它们的工作原理。。。 不同的工作方式不仅影响了工作效率还影响使用寿命。
Download Options
Choose a download method below. All links open in new tabs.
| Service | Features | Action |
|---|---|---|
| Ssvid |
MP4 & MP3 • HD Quality • Browser Extension Available
|
Download |
| SaveFrom |
MP4 & MP3 • HD Quality • Browser Extension Available
|
Download |
Security Notice: These are third-party services. We recommend using antivirus software and being cautious of pop-up ads.