機器
紡錘
accuracy
bolt
center
closeup
cnc
connector
cut
cutter
detail
drilling
engineering
equipment
factory
industrial
industry
iron
lathe
machinery
machining
manufacture
manufacturer
manufacturing
mechanic
mechanical
metal
metalwork
metalworking
metric
milling
nut
occupation
part
precision
processing
production
rod
screw
shaft
spiral
steel
technology
thread
threading
tool
tooling
turning
work
workshop