Question:

What is the roadbed sound barrier

What is the roadbed sound barrier

Answer:

Sound barrier count division project, the name of the division project is called: roadbed related works.
Jul 4, 2017
One of these projects include: 1, cable slot 2, catenary base 3, sound barrier foundation 4, buried pipeline, integrated grounding.
Jul 4, 2017
Subgrade ancillary facilities do not contain sound barrier, the contents of the inspection equipment, protective fence, take, spoil.
Jul 4, 2017

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