> For the complete documentation index, see [llms.txt](https://www.bfm-unity.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.bfm-unity.org/4.0.0/bfm-ds-bi-fang-meng-shu-ju-zhi-chi/zi-chan-pei-zhi/the-tzolkin-calendar/zhuo-er-jin-sheng-ji-a6-an-quan-dai.md).

# 卓尔金升级A6——安全带

![](https://1162098320-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2Y9T1q7O1Tr3siNSZJ89%2Fuploads%2Fgit-blob-43f821fee891addb2df6d1d41bde8b9c11ab7a07%2F%E5%B1%8F%E5%B9%95%E5%BF%AB%E7%85%A7%202021-09-23%20%E4%B8%8A%E5%8D%8810.03.17.png?alt=media)