英文關鍵字
action
automated
automatic
automatics
automation
automatized
background
bit
blade
bore
car
carbide
chip
chuck
circle
closeup
cnc
coolant
counter
cut
cutter
cutting
detail
device
disc
drill
drilling
edge
efficient
engineering
equipment
factory
filings
gear
grungy
hardmetal
hole
huge
industrial
industry
instrument
iron
knife
lathe
machine
machining
manufacture
manufacturing