The production process of esterification system in polyester plant changed greatly after capacity expansion rectification, and the difficulty in control increased.
聚酯装置酯化系统增容改造后，生产工艺变化很大，控制难度增加。
The production process of esterification system in polyester plant changed greatly after capacity expansion rectification, and the difficulty in control increased.
聚酯装置酯化系统增容改造后，生产工艺变化很大，控制难度增加。
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