英文關鍵字
arm
automate
automation
background
construction
ecedil
edeg
efrac34
emicro
ennesup3
eordm
equipment
eraquo
esup2
factory
form
friction
grind
grinder
industrial
industry
machine
machinery
manufacture
manufacturing
master
nemicro
neraquo
nnemicro
power
process
production
robot
sharpen
steel
stone
tool
tradition
wooden
work
workshop