機器
appliance
automation
background
boiler
boilerhouse
building
central
circulation
compressor
construction
control
electric
energy
engineering
equipment
factory
faucet
flow
gas
gauge
heat
heating
hot
hotel
house
hydraulic
industrial
industry
infrastructure
interior
liquid
manometer
many
measuring
metal
pipe
pipeline
piping
power
pressure
production
pump
room
steel
system
technology
tube
valve
water