according to the invention, the slope of the road, the road, the car, the curved road and bridge and interchange, parking and vehicle access, and the access to the site or the place of installation, and can change the type safety of the car by about. the by the safe operation becomes possible, and the sudden change of car safety accident in advance prevention, the protection of life and property to the device. the three-dimensional shape is divided by the safety lane change shape of the body (10); the clip is coupled to the plug (20) and the bottom of the hole in the position of anchor bolts (11) composed of.
展开▼
