機器
紡錘
accuracy
alloy
ball
bearing
blue
chrome
closeup
cnc
drive
engineering
equipment
factory
guide
industrial
industry
lathe
lead
linear
lubricant
machinery
machining
manufacture
manufacturing
mechanic
mechanical
metal
metallic
milling
motion
motor
move
movement
nut
part
precision
quality
rolled
rotating
screw
shaft
silver
spare
steel
stroke
technology
thread
tool
turning