機器
accuracy
bore
boring
boring machine
build
closeup
cnc
construct
drill
drilling
engineer
engineering
equipment
factory
gear
heavy
industrial
industry
iron
machinery
machining
manufacture
manufacturing
mechanical
metal
metalwork
milling
modern
naval
precise
precision
process
produce
production
professional
rotation
shipbuilder
shipbuilding
shipyard
stainless
steel
technology
thread
threading
tool
tunnel
turning
work
workshop