機器
background
boiler
brass
construction
control
device
energy
engineering
equipment
factory
gas
gauge
gauges
heat
heating
hot
house
indicator
industrial
industry
instrument
manometer
measure
measurement
mechanical
metal
meter
pipe
pipeline
plumber
plumbing
power
pressure
pump
service
steel
supply
system
technology
temperature
thermometer
thermostat
tool
tube
valve
valves
warm
water