Concrete drainage pipe system installation on road sides for urban water and sewage drainage
Palabras clave
pipe,
engineering,
maintenance,
plumbing,
installation,
development,
ground,
material,
pipeline,
industrial,
repair,
commercial,
facility,
factory,
production,
flood,
laying,
duct,
installing,
system,
structure,
pumping,
side,
infrastructure,
hole,
tube,
work,
site,
large,
manufacturing,
build,
dirty,
preparation,
transportation,
efficiency,
management,
service,
steel,
sustainability,
photo,
civil,
corner,
cover,
dirt,
down,
environmental,
flow,
grid,
heavy
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