| 英文名称: | | distillates (petroleum), steam-cracked, polymers with c8-16-cycloalkadiene conc | | . debenzenized light steam-cracked petroleum naphtha, dicyclopentadiene and sty | | distillates (petroleum), steam-cracked, polymers withc8-16-cycloalkadiene conc. debenzenized light steam-cracked petroleumnaphtha, dicyclopentadiene and styrene |
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