英文關鍵字
amperage
blue
breaker
cable
circuit
construction
current
danger
dangerous
distribution
efficiency
electric
electrical
electricity
energy
engineering
equipment
facility
generation
global
high
highvoltage
industrial
industry
infrastructure
insulation
insulator
landscape
line
manufacture
metal
network
plant
power
production
pylon
sky
station
steel
substation
supply
switch
switchgear
technology
tower
transmission
voltage
volts
watts
wiring