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Obsidian/00工作/日志/2026/4月/2026-04-01.md

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2026-04-13 09:36:52 +08:00
![[Pasted image 20260402084208.png|697]]
7714mm³ 质心距端面24.23
等效长度46.1129 质心距端面23.05 其中16.8有齿辅助
![[1应力.png]]