英文關鍵字
precision
industrial
measure
measurement
micrometer
tool
accuracy
technology
caliper
instrument
meter
scale
closeup
digital
ruler
technical
object
industry
mechanic
metallic
press
英文關鍵字
precision
industrial
measure
measurement
micrometer
tool
accuracy
technology
caliper
instrument
meter
scale
closeup
digital
ruler
technical
object
industry
mechanic
metallic
press