英文關鍵字
high
voltage
posthigh
tower
sky
sunset
background
backgroundn
power
line
electric
grid
pylon
tension
transmission
generation
distribution
station
substation
wire
post
volt
cable
conductor
construction
current
danger
dielectric
electrical
electricity
energetic
energy
framework
generator
lines
plant
industry
network
transformer
sunrise
watt
blue
clouds
industrial
metal
pole
storm
structure
tall
technology