> 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/bfm-urs-wei-mian-jian-meng-lian-he-ti-chu-bei-xi-tong-qu-kuai-lian-jia-mi-huo-bi-hong-guan-tiao-kong/the-tzolkin-calendar/zhuo-er-jin-sheng-ji-a6-an-quan-dai.md).

# 卓尔金升级A6——安全带

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