英文關鍵字
machine
milling
floor
shop
closeup
tooling
tool
hole
drill
parts
material
brass
engineering
cutter
equipment
factory
operation
workshop
metalwork
drilling
process
multitasking
fitting
precision
accuracy
metalworking
machining
processing
cut
manufacturer
cnc
manufacture
metal
automation
machinery
production
manufacturing
industry
industrial
technology
mill
boring
work
operating
operate
fabrication
steel
mechanical
pan
scene
working
concept