英文關鍵字
background
electrician
metal
pylon
power
pole
light
electricity
substation
engineer
engine
energetic
generator
transformer
energized
powerline
silhouette
communication
construction
connection
transmission
blue
wire
industrial
voltage
technology
equipment
electrical
electric
sky
energy
cable
high
current
network
supply
danger
industry
line
steel
watt
grid
distribution
utility
volt
engineering
tower
tall
street
wires
low
angle
view