英文關鍵字
cnc
construction
control
cooling
craft
drops
electric
engineering
factory
heavy
industry
lathe
liquid
machine
machinery
manufacture
mechanic
mechanical
metal
metallic
metalwork
moulding
numerical
operating
operation
process
processing
production
professional
programming
quality
splashes
splashing
stainless
steel
structure
technique
technology
turning
working
workshop