英文關鍵字
automated
automotive
bending
body
carcass
compress
compression
crush
cylinder
engineer
equipment
ferric
firm
force
forging
heavy
hydraulic
industrial
industry
installation
iron
laborer
locksmith
machine
machining
maintenance
man
manufacture
manufacturing
mechanical
metal
metallic
monitoring
piston
powerful
press
processing
production
repair
repairman
rotor
service
sheet
stamp
stamping
technician
technology
tool
warranty
work
working
workshop