機器
air
blue
circulate
cold
condenser
condition
conditioner
conditioning
construction
cool
coolant
cooler
cooling
detail
electric
electrical
electricity
energy
engineering
equipment
green
heat
hot
industrial
industry
liquid
machinery
maintenance
mechanical
metal
modern
motor
part
pipe
pipes
power
radiator
service
steel
supercomputer
system
technology
temperature
tool
valve
water