英文關鍵字
scene
pan
tooling
tool
mill
square
flat
milling
counter
bore
machine
process
drilling
material
hole
engineering
plant
cutter
factory
operation
workshop
metalwork
multitasking
precision
accuracy
metalworking
machining
processing
cut
manufacturer
metal
automation
machinery
production
manufacturing
industry
industrial
technology
boring
cutting
work
operating
fabrication
shop
floor
steel
mechanical
closeup
working
concept