英文關鍵字
acoustic
audio
bass
closeup
conveyor
craft
detail
device
diffuser
digital
disco
electronic
employee
equipment
factory
frequency
glues
hand
incomplete
industry
install
line
loud
loudspeaker
male
man
manufacture
manufacturing
membrane
metier
music
plant
production
profession
reproducer
skills
sound
speaker
specialist
stereo
system
technology
tonality
tool
unfinished
volume
woofer
work
worker
workshop