機器
background
boiler
boilerhouse
building
construction
control
energy
engineering
equipment
factory
flow
focus
fuel
gas
gauge
heating
high
hot
house
hvac
industrial
industry
line
liquid
manometer
manometers
measurement
measuring
metal
meter
object
oil
pipe
pipeline
plant
plumbing
power
pressure
pump
room
steel
system
technology
tube
valve
water
white
work
定額
Close up of house heating system with many steel pipes, manometers and metal tubes.の素材 [FY310124233133]
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