英文關鍵字
amper
appliance
assistance
cable
circle
clean
coil
coiled
conductor
connecting
connector
cord
current
drum
duct
electric
electrical
electricity
energy
equipment
european
extension
handle
home
house
machine
male
metallic
newness
outlet
plastic
plug
power
reel
release
simply
spool
stretched
tools
volt
white
winding
wired