英文關鍵字
accuracy
boring
circle
closeup
cnc
cutter
cutting
detail
drilling
engineering
equipment
fabric
factory
hard
heavy
holder
industrial
industry
instrument
iron
lathe
machine
machinery
machining
manufacture
manufacturing
mechanical
metal
metalwork
metalworking
mill
milling
power
process
producing
production
quality
rotate
rotation
spindle
steel
technology
tool
tools
turbine
turbines
turning
wheel
work
workplace