landing-switch [电] 层位开关

landing switch box 平层开关箱

landing switch arm 层站开关手柄

e-type landing switch E型层楼开关

landing door safety switch [建] 层门安全开关

landing gear limit switch 起落架终点电门

landing gear handle switch 起落架手柄保险开关

landing gear downlock override switch 起落架下位锁超控电门

landing light switch 着陆灯电门