英文關鍵字
abrasive
aluminum
assembly
automate
automatically
chilling
circle
cleansing
close
closeup
cnc
cutting
cylinder
detail
disk
electric
engine
fabric
factory
grinder
grinding
job
line
machine
machinery
machining
manufacturing
metal
metalwork
metalworking
plant
polish
polishing
pouring
process
processing
production
rotation
shiny
shop
steel
technology
titanium
tool
view
water
wheel
work
workshop
workspace