機器
紡錘
3
background
chuck
chunk
clamp
clamping
close up
closeup
collet
detail
device
engineering
equipment
factory
grip
hardware
holder
industrial
industry
instrument
iron
jaw
lathe
lathing
machinery
manufacturing
mechanic
mechanical
mechanics
mechanism
metal
metalwork
metalworking
nobody
part
round
stainless
steel
three
tool
turning
work