機器
acetate
area
bobbin
chemical
chemistry
composite
compound
cushion
ethylene
factory
fiber
filament
film
indoor
industrial
industry
laboratory
manufacturing
material
object
packed
petrochemical
petroleum
plant
plastic
polyethylene
polymer
polypropylene
polystyrene
polythene
product
production
pvc
quality
rack
recycling
resin
rolled
shelf
site
stack
stationary
still
storage
technology
thermoplastic
warehouse
work
wrapped