英文關鍵字
background
board
brazing
chip
circuit
closeup
component
components
computer
copper
electric
electrical
electrician
electricity
electronic
engineer
equipment
fix
fusible
handle
heat
horizontal
hot
industrial
industry
instrument
integrated
iron
isolated
metal
micro
microchip
repair
resistors
semiconductor
service
solder
soldering
steel
tech
technical
technician
technology
tin
tool
welder
welding
white
wire
work