英文關鍵字
alloy
blue
building
chisel
clamp
cnc
computer
coolant
cut
cutter
cutting
detail
engineering
equipment
factory
industrial
industry
iron
lathe
machine
machinery
machining
manufacture
manufacturing
mechanical
metal
metallic
metalwork
metalworking
mill
part
parts
plant
process
processing
production
rotate
rotation
sharp
spray
steel
technology
thread
tool
tooling
turning
work
worker
workshop