英文關鍵字
accuracy
agriculture
automated
business
carbide
cnc
cut
cutter
cutting
detail
engineering
equipment
factory
farm
hardmetal
heavy
hole
industrial
industry
iron
lathe
liquid
machine
machinery
machining
manufacture
manufacturing
metal
metallic
metalwork
mill
milling
old
pattern
plant
precision
process
processing
production
red
rural
steel
technology
tool
traditional
turning
vector
work
workshop