壊れた関節
adapter member
bended
bended pipe
bolted connection
bracing beam
casted iron
city water service
clay
connection
construction
control axis
control wheel
corner
dirty
drink water system
extreme corrosion
fitting
flange
gate valve
grunge
heavy industry
hole
infrastructure
joint
ladder
lake
leak
low pressure
mud
operation of the water system
pipe
pipeline
piping
plumbing repair
pool
repair belt
repair sleeve
repair yoke
rust
saving water
splash
transmission
tube
underground
valve
water armature shafts
water crash
water metering
water supply
定額
Reconstruction of main City water supply pipeline in underground. 500mm water pipeline with gate valves, 250mm branch. Repairing of leak due to extreme corrosion.の素材 [FY31074916436]
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