機器
accuracy
bore
boring
boring machine
build
business
closeup
cnc
construct
control
device
drill
drilling
element
engine
engineer
engineering
equipment
factory
gear
heavy
industrial
industry
iron
machinery
machining
macro
manufacture
manufacturing
mechanical
metal
metallic
metalwork
modern
power
process
produce
production
professional
stainless
steel
technology
thread
threading
tool
tunnel
turning
work
workshop