英文關鍵字
background
cable
cables
close
closeup
concept
connected
connecting
connection
connector
consumption
cord
cords
current
detail
device
disconnected
disconnecting
disconnection
electric
electrical
electricity
energy
extension
flow
flowing
generation
hand
hands
hardware
industrial
insert
inserting
isolated
outlet
person
plug
plugged
plugging
plugs
power
socket
supply
symbol
technology
unplugged
unplugging
voltage
white