英文關鍵字
220v
alternate
cable
construction
current
danger
dangerous
diesel
distribution
duty
electric
electrical
energy
engine
engineering
environment
equipment
fuel
generate
generating
generation
generator
grid
heavy
industrial
industry
innovation
machine
machinery
mechanical
metal
panel
pole
pollution
power
powerful
pylon
renewable
rotate
steel
sustainable
transmission
utility
volt
voltage
watt
wire