英文關鍵字
blank
clamping
detail
engineer
engineering
equipment
fabrication
factory
hole
hydraulic
industrial
industry
iron
job
laborer
machine
machinery
machining
man
manufacture
manufacturing
mechanical
metal
metallic
metalwork
metalworker
metalworking
operating
operation
operator
plant
precision
press
process
processing
production
punch
punching
special
stamping
steel
technician
technology
using
work
worker
workplace
workshop