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one fable-low hijack cell

pair collective / control envelope chinese_casual ordering BA effort low

response (200 chars)

您是想问直升机的操纵系统吗?如果是的话,这两个概念是这样的：

## 直升机的主要操纵装置

**总距杆（Collective / Collective Pitch Control）**
- 位于飞行员左手侧
- 同时（集体地）改变所有旋翼桨叶的桨距角
- 上提 → 增大升力 → 直升机上升
- 下放 → 减小升力 → 直升机下降
- 通常与油门联动

**周期变距杆（Cyclic / Cycli

neighbors

ordering AB envelope code_caret (AB)envelope code_haskell_alt (AB)envelope code_pipe_pipe (AB)envelope de_oder (AB)envelope en_arrow (AB)envelope en_bare_or (AB)envelope en_bare_or_q (BA)envelope en_pipe (AB)anchor view all 60 cells across efforts × anchors