英文關鍵字
power
lines
high
transmission
voltage
line
electricity
energy
sky
electric
tower
electrical
pylon
industry
industrial
cable
distribution
supply
technology
metal
tall
grid
plant
equipment
structure
engineering
英文關鍵字
power
lines
high
transmission
voltage
line
electricity
energy
sky
electric
tower
electrical
pylon
industry
industrial
cable
distribution
supply
technology
metal
tall
grid
plant
equipment
structure
engineering