英文關鍵字
slow
motion
hard
material
tooling
tool
mill
flat
hole
boring
radius
bull
machining
ball
center
cam
mold
cnc
milling
stamping
die
computer
aids
manufacturing
solid
machine
carbide
cutting
processing
metalworking
manufacture
cut
technology
industry
industrial
metalwork
workpiece
molding
factory
engineering
metal
cutter
production
machinery
workshop
steel
equipment
manufacturer