青云翻译

Pipe Culvert belong to a culvert constructed forms, small-scale structures in the highway engineering, although only a small proportion of the total cost of Pipe Culvert construction quality have a direct impact to the overall quality of highway projects and its performance, as well as the surroundi

Culvert pipe culvert is constructed in the form of a, are the small structures in highway engineering, though only accounted for a small proportion of the total cost, but directly affects the quality of pipe culvert construction in highway engineering quality and performance as a whole, as well as i

The circular pipe contains belongs to in the culvert structural types one kind, is in the highway engineering small structure, although only accounts for very the lower range in the total construction cost, but the circular pipe contains the construction quality the quality to affect directly the hi

Covered round tube construction of culverts in the form of a highway project, which is in the small building, while the total cost is only a small proportion, but round tube construction covered by quality of the road directly affect the overall quality and performance, as well as the surrounding fa

Culvert pipe culvert is constructed in the form of a, are the small structures in highway engineering, though only accounted for a small proportion of the total cost, but directly affects the quality of pipe culvert construction in highway engineering quality and performance as a whole, as well as i