英文關鍵字
brass
pan
shell
mould
mold
cooling
coolant
oil
milling
lubricant
finishing
work
cam
center
cnc
cutter
industrial
industry
machine
machinery
machining
manufacturing
mechanical
metal
metalwork
metalworking
molding
moulding
processing
technology
tooling
liquid
mill
fluid
solid
ball
lubrication
splash
plant
cut
workshop
tool
engineering
manufacture
production
scene
cutting
parts
method
die
process
endmill
tools