亚洲第无码转贴区,久久se精品一区精品二区久久,亚洲欧洲日产国码高潮αv,又大又粗又硬又黄的免费的视频

DESCRIPTION

The Express Passenger Stair is a special mobile equipment used for passengers to board and disembark from the aircraft. It adopts a self-made chassis with reasonable structural design, high overall welding strength, advanced technology and good reliability. It is equipped with the electromagnetic brake active anti-collision system, which is the first of its kind in China, and can provide the best safety and comfort for boarding passengers. The self-made chassis has a reasonable structural design, high overall welding strength, advanced technology and good reliability. Different engine configurations can be selected according to customer needs. According to customer needs, a walking power assist system can be configured. The electromagnetic brake active anti-collision system is the first of its kind in China. The hydraulic and electrical components of the whole vehicle are all configured with European and American brands.