英文關鍵字
accuracy
auger
bit
boring
chuck
clamp
close
closeup
cnc
construction
cutter
cutting
drill
drilling
equipment
hand
hole
industrial
industry
instrument
interior
iron
ironworker
isolated
locksmith
machine
machining
making
man
manufacture
metal
milling
people
perforator
plant
plate
power
press
production
sharp
shavings
smith
spindle
steel
tool
work
worker
workplace
workshop