機器
background
board
boiler
brown
chemical
chiller
circle
clay
closeup
concept
condenser
cooling
corrosion
deposits
engineer
engineering
equipment
exchanger
factory
heat
heat exchanger
industrial
industry
iron
maintenance
material
metal
metallic
nobody
old
pipe
plant
preventive
repair
round
rust
rusty
scale
services
sheet
slag
stainless
steel
surface
system
texture
tower
treatment
tube
定額
Tube sheet or plate of heat exchanger or boiler closeup texture vibrant colors background opened for inspection maintenance or cleaning from insoluble hard mineral deposits salts scale, corrosion.の素材 [FY310149576866]
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