機器
background
boiler
brass
building
celsius
chrome
cold
construction
degree
energy
engine
engineering
equipment
flow
flowing
fuel
gas
generation
green
heat
heating
heavy
indicator
industrial
industry
instrument
internal
liquid
manometer
measurement
measuring
metal
meter
part
pipe
pipeline
plumber
plumbing
power
pressure
service
steel
system
technology
temperature
tube
valve
valves
water
定額
The equipment of the boiler-house, - valves, tubes, pressure gauges, thermometer. Close up of manometer, pipe, flow meter, water pumps and valves of heating system in a boiler room.の素材 [FY310133340442]
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