機器
barrel
butadiene
chemical
column
complex
crude
distillation
distillery
divinyl
elastomer
engineering
equipment
facility
factory
gas
gasoline
homogenization
industrial
industry
insulation
machinery
manufacture
manufacturing
modern
monomer
oil
petrochemical
petrol
petroleum
pipe
pipeline
piping
plant
plastic
polymer
production line
pump
reaction
rectification
refinery
rubber
steel
synthesis
synthetic
tank
technology
thermoplastic
tower
vat
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