機器
bevel
blue
cnc
cogwheels
cutter
cutting
detail
engineering
equipment
face
factory
gear
head
hobbing
industrial
industry
instrument
iron
machinery
machining
manufacturing
mechanical
metal
metallic
metalwork
metalworking
mill
milling
modern
part
piece
pinion
precision
production
sharp
silver
steel
tech
technical
technology
tool
tooth
turning
wheel