英文關鍵字
against
angle
cable
ceramic
circuit
close
connect
danger
disk
distribution
efficiency
electric
electrical
electricity
energy
equipment
generation
glass
ground
high
induction
industrial
industry
insulator
insulators
isolator
large
line
lines
metal
network
power
station
structure
substation
sun
supply
support
switch
system
technology
tower
transformer
transformers
transmission
volt
voltage
wire