上部構造
angle
angular
architecture
britain
british
cable
column
conductor
connection
construction
current
electric
electrical
electricity
energy
engineering
england
fossil
fuel
gantry
geometric
grid
high
highway
industrial
kilowatt
link
megawatt
passage
power
pylon
renewable
resource
route
shape
shock
steel
structure
suspension
tower
traffic
transmission
transport
uk
volt
voltage
watt