国产免费性爱视频一区二区三区_韩日韩欧美在线观看_在线激情网欧美综合成人_欧美换爱交换乱理伦片不卡片_农村乱淫视频免费_天天综合亚洲色在线麻豆精品_精品无码av无码专区_亚洲日韩日韩无码日韩中字_尤物国产在线精品福利一区_畅享高清影视体验

The square cabin expansion system (side pull box) is a new technology for expanding the space of the vehicle compartment. Its use expands the space of the cabin and solves the special requirements of the special vehicle. It has been widely used in various fields, such as travel RVs, communication vehicles for broadcasting, field meeting vehicles for troops, command vehicles, monitoring vehicles and other special equipment vehicles.

The system adopts hydraulic transmission as the driving mode, the hydraulic power is taken from the vehicle battery, and the gear motor is driven by the DC motor to generate the hydraulically driven extended cylinder movement. Constant power and smooth operation. The cabin expansion system can be applied to: vans, trailers, buses, etc.