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
heavy
water
engineering
exhibition
surface
cool
technology
drill
cooling
cutting
process
stainless
workshop
macro
accuracy
spray
iron
coolant
equipment
combine