英文關鍵字
background
cable
closeup
clouds
cloudy
construction
danger
electricity
energy
environment
equipment
generation
generator
global
gray
grid
handheld
high
industrial
industry
infrastructure
insulators
iron
light
line
metal
network
outdoors
people
plant
power
pylon
sky
snow
station
steel
structure
sunset
supply
technology
tension
tower
transformer
transmission
uniform
voltage
volts
watt
weather
winter
wire
wires
work