USSR综合Ground · Tech Tree1 补丁最近改动 8mo ago≈ 0强度趋势上升 = 加强，下降 = 削弱0Sep 25, 2025Sep 25, 2025Sep 25, 2025 — Update 2.49.0.27 +0 / -0 (cum 0)聚焦单个技能：追踪 1 个技能全部技能 (1)Object 268 +0/-0按改动类型筛选：此项目有 1 种类型全部类型🔁Rework1补丁历史Sep 25, 2025·Update 2.49.0.27≈🔁ReworkObject 268grouping—→Su-122-54Object 268 已在科技树中与 Su-122-54 归为一组。tech tree change