英文關鍵字
alloy
automation
carving
clamp
cnc
coolant
cutter
cutting
drill
drilling
engineering
engraving
equipment
factory
hard
industrial
industry
instrument
jet
lathe
liquid
machine
machinery
machining
manufacture
manufacturing
marble
metal
milling
nobody
plant
pouring
power
precise
process
processing
production
quarry
rock
stainless
steel
stone
stonework
technical
technology
thread
tool
water
working
workshop