英文關鍵字
automatic
band
belt
blend
caoutchouc
chemical
component
conveyor
elastic
equipment
extruder
extrusion
factory
forming
gum
heap
industrial
large
latex
line
machine
manufacture
mix
mixing
move
moving
petrochemical
pile
plant
powerful
preparation
process
processing
produce
recyclables
recycled
recycling
roll
roller
rubber
shaft
stack
strip
tape
technology
transportation
wheel
workshop