英文關鍵字
chip
cooling
coolant
manual
slow
motion
hole
drilling
process
milling
machine
drill
tools
metal
working
concept
engineering
manufacturing
industrial
machining
workpiece
workshop
fabrication
tooling
programmer
factory
industry
operation
material
removal
cutting
fluid
mill
chuck
plant
metalworking
processing
cut
manufacturer
tool
shop
floor
parts
iron
scene
method