英文關鍵字
abrasive
accuracy
action
actionfacing
automate
automotive
blank
closeup
cut
cutter
cutting
cuttings
detail
electric
engineering
equipment
factory
industrial
industry
iron
lathe
liquid
machine
machinery
machining
manufacture
manufacturing
material
mechanical
mechanics
metal
metalworking
mill
milling
modern
motor
operation
part
plant
precision
pro
process
processing
production
professional
rotate
rotation
shaft
shine
steel
technological
technology
tool
toolold
turner
turning
work
working
workpiece
workshop