https://blog.wongcw.com/2023/04/20/%e6%96%b0%e9%85%8d%e6%96%b9%e8%a3%bd%e9%80%a0%e7%9a%84%e6%b7%b7%e5%87%9d%e5%9c%9f%e5%90%b8%e6%94%b6%e7%9a%84%e4%ba%8c%e6%b0%a7%e5%8c%96%e7%a2%b3%e8%a6%81%e6%af%94%e6%8e%92%e6%94%be%e7%9a%84%e5%a4%9a/
新配方製造的混凝土吸收的二氧化碳要比排放的多