英文關鍵字
assembling
assembly
bending
board
circuit
closeup
component
detail
device
electric
electrical
electricity
electromagnetic
electronic
electronics
electrotechnical
electrotechnology
engineering
equipment
factory
hand
hole
industrial
industry
insert
machine
manufacture
manufacturing
part
parts
pcb
populate
printed
process
production
tech
technology
terminals
through
wire
work
working
workshop