英文關鍵字
air
basement
blades
centre
circle
closeup
cold
component
conditioner
contemporary
cool
cooler
cooling
danger
dissipate
duct
electric
engineering
equipment
exhibition
expo
fan
fuel
generation
grate
gray
heat
heavy
industrial
industry
large
machine
machinery
macro
manufacturing
measurement
metal
part
power
steel
strength
technology
temperature
turbine
turning
wind