The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.
二烯烃
烯基芳烃是非常不
组分，可聚合产生凝胶。对于给烯烃烷基芳烃，氢化可
改善产品质量。
The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.
二烯烃烯基芳烃是非常不组分，可聚合产生凝胶。对于给烯烃烷基芳烃，氢化可改善产品质量。
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