英文關鍵字
angle
angles
bend
bending
billet
blank
brake
employee
equipment
factory
form
hydraulic
industrial
industry
machine
machinery
machining
manufacture
manufacturing
material
measurement
mechanic
mechanical
metal
metalworking
modern
operator
plant
press
pressure
processing
product
production
professional
pushing
sheet
stainless
stamping
steel
technology
using
worker
working
workman
workshop