environmental
boring machine
collector
concrete
construction
construction site
drain
drainage
drainage pipe
drainage system
drilling
groundwater
hole
installation
laying
pipe
pipe jacking
pipe laying
pipes
plumbing
repair
replacement
sanitary sewage
sanitary sewer
sewage
sewer construction
sewer pipes
sewerage
storm
storm sewer
storm tunnel
system
treatment
trench
tube
tunnel boring machine
underground
utility infrastructure
wastewater
water main
water supply
water system
定額
Construction of stormwater pits and sanitary sewer system. Laying of underground storm sewer pipes and sewerage wells. Installation of water main, sanitary sewer, storm drain systems.の素材 [FY310186582723]
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