機器
air
background
boiler
construction
control
device
energy
engineering
equipment
factory
fuel
gas
gauge
heat
hvac
indicator
industrial
industry
instrument
isolated
liquid
maintenance
manometer
measure
measurement
metal
meter
object
oil
pipe
pipeline
plant
power
pressure
pump
repair
scale
service
station
steam
steel
system
technology
thermostat
tool
tube
valve
water
work