英文關鍵字
bag
colorful
company
factory
heap
industry
making
manufacture
material
modern
packaging
plant
plastic
pollution
polyethylene
polymer
polypropylene
polystyrene
producing
product
pvc
recycling
roll
technology
英文關鍵字
bag
colorful
company
factory
heap
industry
making
manufacture
material
modern
packaging
plant
plastic
pollution
polyethylene
polymer
polypropylene
polystyrene
producing
product
pvc
recycling
roll
technology