Stable Mmaterial: to use the high cost construction steel, aluminum metallic material, guaranteed that post, the adjusting lever and linklever to use durably and not easy to damage.
材料坚实：采用造价较高的钢、铝金属材料，确保立柱、调节杆、连接杆结实耐用，不易损坏。
2
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 recirculation air 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。
3
The linkage arrangement is completed by connecting the link to the lever at a third pivot connection.