简要叙述了T803B在不同粘度的石蜡基基础油和与不同粘度指数改进剂相匹配时的增粘降凝效果，并指出该剂的最佳经济适宜用量。
The effects of increasing viscosity and depressing pour point of T803B in paraffin base oils withdifferent viscosity while matching with different Vlls were described.
简要叙述了T803B在不同粘度的石蜡基基础油和与不同粘度指数改进剂相匹配时的增粘降凝效果，并指出该剂的最佳经济适宜用量。
The effects of increasing viscosity and depressing pour point of T803B in paraffin base oils withdifferent viscosity while matching with different Vlls were described.
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