英文關鍵字
3d
animation
architecture
built
cable
communication
danger
distribution
electric
electrical
electricity
energetic
energy
engineering
environment
equipment
generation
generator
grid
high
icon
industrial
industry
isometric
line
metal
metallic
motion
network
plant
pole
power
powerline
pylon
sign
silhouette
sky
station
steel
structure
supply
tall
technology
tension
tower
transmission
volt
voltage
watt
wire
wiring