the coal city is the section of the guardrail of highway equipment.

摘要

this research has certain distance to the ground along the street of the vertical frame part (10) and the frame (12) in the vertical section of the above) in the frame (20) and the department of the ministry; the frame (10), a vertical side of the pipe ud615uc0c1uc758 elastic adjustment frame part (30) and remember; partition frame part (20) and the elastic part (30) of the frame of the shelter, the group added a partition frame part (20) connected to the lower part, and the elastic adjustment frame part (30) connected to the power of the coal's elastic component (40); and the form of if you go along the street of the agenda a holding frame, a vertical side of the direction of rotation, it is cut off with the frame, the external access is cut off, and the wild animals of the city, the other is to minimize the impact, from the side of the frame, and the frame of the elastic the elastic part but not in the side of the nose, cut off a section of the line, the elastic component of the coal city, the original state by the force to return to the vehicle, at the same time, the effect of the buffer hit the implementation effect.