英文關鍵字
abrasive
automated
cnc
cutting
design
efficiency
energy
engineering
equipment
fabrication
factory
hydro
indoors
industrial
industry
iron
machine
manufacturing
material
metal
metalworking
modern
nozzle
part
penetrating
platform
power
precision
pressure
process
processing
pump
robot
rock
sand
science
sheet
steam
steel
technology
tool
water
work