英文關鍵字
board
box
bulb
cable
capacitor
car
chip
circuit
closeup
component
condenser
connect
construction
detail
education
electric
electronic
energy
engineering
equipment
fix
fixing
fuse
headlights
industrial
industry
installation
labor
lamp
light
man
panel
power
production
repair
repairing
repairman
science
service
specialist
station
system
table
technology
test
tools
voltage
wire
wired
work