機器
automation
brick
canal
catacomb
chemical
circulation
clinker
concrete
connection
construction
corrosion
dark
dirty
drainage
duct
engineering
equipment
factory
flange
gate valve
heat
heavy
hole
industrial
infrastructure
metal
modernization
open
pipe
pipeline
plumber
power
pressure
processing
pump
repair
steel
stone
structure
supply
system
technology
trench
tube
underground
water
welding seam
定額
An open underground pipeline with valves in a brick well. Underground communications of water supply and heating. Repair and replacement process.の素材 [FY310148307787]
この写真素材のタグ
最近チェックした素材