英文關鍵字
assembly
billet
blank
compartment
component
engineering
equipment
factory
finished
hand
high
hose
industrial
industry
iron
job
laying
manufacture
manufacturing
material
mechanic
mechanical
metal
metallic
new
part
parts
placing
plant
plastic
pressure
process
processing
production
products
round
steel
storage
throwing
tool
work
worker
working
workshop