3
background
black
blocks
blue
box
breaker
cable
circuit
closeup
color
component
connect
connection
control
copper
current
distribution
electric
electrical
electricity
energy
equipment
industrial
industry
line
object
panel
phase
power
red
sign
supply
switch
system
technology
three
voltage
wall
white
wiring
yellow
定額
Electric switch in marching conditions - three-phase circuit breakerの素材 [FY31089642551]
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