英文關鍵字
automated
automatic
blank
chrome
detail
engine
engineering
equipment
facility
factory
highprecision
industrial
industry
machine
machinery
making
manufacturing
material
measurement
measurements
mechanism
metal
metallic
metalwork
metalworking
movement
part
process
processed
processing
production
quality
round
special
stainless
steel
technological
technology
tool
unit
wheel
work
workshop