英文關鍵字
automated
automatic
band
bandsaw
billet
blank
closeup
coolant
cooling
cutter
cutting
energy
equipment
factory
hacksaw
high
industrial
industry
iron
jet
liquid
machine
machining
manufacture
manufacturing
metal
metallic
metalworking
plant
process
production
saw
sawing
shavings
special
speed
steel
technology
tool
unit
water
working
workplace
workshop