In most modern hydraulically actuated landing gear systems, the order of gear and fairing door operation is controlled by
发布于 2021-02-18 21:54:56
【单选题】
A sequence valves.
B shuttle valves.
C microswitches.
查看更多
- 体验AI问答!更聪明、超智能!
- 一款基于GPT的超级AI助手,可以对话、创作、写文案!