英文關鍵字
adapter
block
change
closeup
crimping
detail
equipment
factory
fixing
hand
handle
industrial
industry
inserting
labourer
machine
man
manufacture
manufacturing
material
metal
moving
nozzle
plant
press
process
production
quick
scrap
set
setting
stainless
system
taking
tool
tube
tubing
work
worker
workman
workplace
workshop