英文關鍵字
afterglow
aluminum
atomic
blue
brunsbuettel
cable
conductors
copper
danger
daytime
distribution
dusk
economy
electric
electrical
electricity
energetic
energy
europe
evening
facility
generation
generator
germany
grid
high
highvoltage
industrial
industry
interconnected
line
mains
metal
network
night
outside
overhead
plant
pole
poles
power
pylon
steel
structure
tall
technology
transmission
volt