binary
blue
button
cable
channel
closeup
commissioning
communication
computer
control
device
devices
digital
electric
electrical
electronic
electronics
engineer
engineering
equipment
hand
industrial
industry
input
instrument
keyboard
keypad
lab
laboratory
measure
medical
modern
network
oscilloscope
plug
protection
red
relay
science
system
technical
technology
terminal
test
testing
unit
voltage
wire
定額
Electrical device for testing relay protections on power electric station. Maintenance tool. Equipments for test relion terminals. Test plugs and terminals closeup.の素材 [FY310114216083]
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