機器
ac
adapter
background
black
boiler
car
charger
charging
cigarette lighter
circuit
clamp
clamps
clips
closeup
clothespins
converter
crocodile
current
electric
electrical
electricity
electronic
emergency
energy
engineering
equipment
factory
frequency
generator
industrial
industry
inverter
inverters
isolated
metal
plug
power
red
supply
technology
terminals
universal
variable
voltage
watt
white
wires