试题与答案

催化剂添加量偏低的处理方法是()。A、提高缩聚系统真空 B、提高酯化系统温度 C、提

题型:单项选择题

题目:

催化剂添加量偏低的处理方法是()。

A、提高缩聚系统真空

B、提高酯化系统温度

C、提高酯化系统压力

D、提高熔体出料量

答案:

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