英文關鍵字
agriculture
and
background
blue
cable
cloud
color
country
countryside
current
danger
distribution
electric
electrical
electricity
energy
engineering
environment
field
grass
green
grid
high
industrial
industry
insulator
landscape
lapse
line
meadow
metal
nature
plant
pole
poles
post
power
pylon
rural
sky
steel
structure
summer
sun
supply
technology
time
tower
transformer
transmission
volt
voltage
wire