高中化学：消去反应
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| VIDEOS | |||
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 360P | Download |
| MP4 | N/A | 360P | Download |
| AUDIO | |||
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.5 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
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JPEG | Origin Image | Download |
消去反应 圣诞快乐！！各位，今儿给大家带来的是消去反应，他跟加成反应的原理是反的（有没有知道背景音乐是啥，打在评论区）
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