碳足迹到底是怎么一回事？

[视频作者] floraqhj

[视频时长] 2:50

[视频类型] 校园学习

转自https://mp.weixin.qq.com/s?t=pages/video_detail_new&scene=1&vid=wxv_1748313942222782465&__biz=MzIxMzY0MjEyNg==&mid=2247485299&idx=1&sn=9473c7ef875ad6ed756936b455e2ff15&vidsn=&exportkey=AXP06FYIumN89