英文關鍵字
aluminum
baking
conveyor
factory
film
foil
food
household
hygiene
machine
making
manufacture
materials
mechanism
metallic
packaging
plant
polyethylene
polythene
production
reel
roll
works
workshop
wound
英文關鍵字
aluminum
baking
conveyor
factory
film
foil
food
household
hygiene
machine
making
manufacture
materials
mechanism
metallic
packaging
plant
polyethylene
polythene
production
reel
roll
works
workshop
wound