英文關鍵字
background
cable
capacitor
chip
circuit
closeup
component
computer
digital
electric
electrical
electricity
electronic
engineer
engineering
equipment
fix
hand
hardware
indicator
inductor
industrial
industry
macro
maintenance
man
measurement
meter
multi
multimeter
old
pins
pixiversal
power
professional
repair
resistor
school
service
technician
technology
tool
wooden
work
working