Rotate and tilt the vacuum actuator as required to disengage the hole on the end of the actuator link from the hooked pin on the end of the recirculationair door lever.
视需要旋转并将真空引动器倾斜以放松循环空气门连杆末端上的勾销放松引动器连接末端上的孔。
2
Air also flows into the lavatories from the cabin air distribution and recirculation system through individual air outlets.
空气也可以从客舱空气分配和再循环系统，通过单独的出口，流向厕所。
3
To clean air immediately a drive uses Recirculation filter.