英文關鍵字
lathe
turning
metal
machine
industrial
cutter
cut
steel
production
tool
cnc
milling
detail
mill
plant
automation
factory
industry
slowmotion
machining
automatic
processing
closeup
manufacturing
grey
mechanical
metalworking
process
combine
exhibition
heavy
spray
water
equipment
iron
workshop
cutting
coolant
engineering
accuracy
cooling
surface
drill
cool
macro
technology
stainless