機器
blowdown
boiler
boilerhouse
burner
central
circulation
circulator
condensing
control
electric
element
equipment
faucet
furnace
gas
gate
heat
heater
independent
indicator
indoors
industrial
industry
insulation
interior
manometer
manufacturing
measuring
metal
modern
pipe
pipelines
power
pressure
pump
room
station
steam
steel
system
tank
technology
thermo
thermostat
valve
vessel
water