英文關鍵字
automated
batch
chemical
chemistry
color
components
composite
container
crude
download
equipment
extrusion
factory
grain
grained
granulate
granules
heap
industrial
industry
line
material
mix
mixer
mixing
molding
movement
other
particle
pattern
pellets
petrochemical
plant
plastic
plastics
polyethylene
polymer
polymers
polypropylene
polystyrene
produce
production
products
raw
recycling
rotation
science
tank
technology
thermoplastic
turning
white