英文關鍵字
pan
scene
tyre
tire
rubber
material
mold
cooling
coolant
oil
milling
lubricant
finishing
precision
engineering
factory
cam
center
cnc
industrial
industry
machine
machinery
machining
manufacturing
mechanical
metalwork
metalworking
molding
processing
production
technology
tooling
liquid
mill
fluid
solid
ball
lubrication
splash
cut
tool
equipment
manufacture
accuracy
carbide
cool
die
iron