英文關鍵字
accessory
attach
background
board
bolt
broken
business
circuit
cleaning
closeup
component
computer
cover
desktop
device
electrical
electronic
engineer
engineering
equipment
fix
fixing
gloves
hand
hands
hardware
help
industry
loosening
maintenance
master
microchip
off
open
person
processor
profession
professional
repair
service
support
technical
technician
technology
unscrewing
untwist
work