英文關鍵字
pan
tooling
mill
hole
center
machining
mould
mold
cutter
cnc
boring
counter
bore
flat
square
machine
milling
process
drilling
material
clamp
drill
engineering
plant
equipment
factory
operation
workshop
metalwork
metalworking
processing
cut
manufacturer
manufacture
metal
tool
automation
machinery
production
manufacturing
industry
industrial
technology
cutting
work
operating
fabrication
shop
floor
steel
mechanical
working
concept