機器
background
board
button
circuit
connect
console
control
device
display
distribution
electric
electrical
electrician
electricity
electronic
energy
engineer
engineering
equipment
factory
generation
high
indications
industrial
industry
instrument
light
manufacturing
metal
meter
monitor
network
nuclear
panel
plant
power
production
red
room
safety
scale
station
supply
switch
system
technical
technology
voltage
work
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