英文關鍵字
aggregate
billet
blank
carving
chuck
clamp
clamping
closeup
commercial
component
cutter
equipment
factory
goods
heavy
industrial
industry
iron
lathe
machine
made
manufacturing
material
metal
metallic
metalworking
modern
parts
plant
processing
produced
product
production
rod
rotating
shape
stand
steel
storage
thread
unit
work
workshop