機器
boiler
boilerhouse
building
connection
construction
control
device
dial
energy
engineering
equipment
factory
faucet
gas
gauge
heat
heater
hotel
independent
indicator
industrial
industry
instrument
interior
manometer
measure
measurement
metal
meter
modern
pipe
pipeline
power
pressure
pump
room
service
steam
steel
system
tank
technology
temperature
thermostat
tool
tube
valve
water
white