英文關鍵字
arm
cable
connect
connection
electric
electrical
electricity
energy
equipment
hand
home
household
indoors
industry
insert
line
man
object
outlet
plastic
plug
power
socket
supply
technology
volt
voltage
wall
white
wire
英文關鍵字
arm
cable
connect
connection
electric
electrical
electricity
energy
equipment
hand
home
household
indoors
industry
insert
line
man
object
outlet
plastic
plug
power
socket
supply
technology
volt
voltage
wall
white
wire