英语语法分析

The flow sheet and operation in phthalic anhydride plant system after the adding partial condensator were introduced.

介绍了苯酐装置系统中增加部分冷凝器的流程，操作讨论了加部分凝冷器前后的经济效益。

Ruian city yongguang auto parts co. , ltd mostly produce : series of condensator fan electricity, series of pick up parts.

瑞安市永光汽车配件厂主要生产：冷凝器电子风扇系列，皮卡部件系列。 。

It was showed that the plant system modification could prolong condensator life and enhance the yield of phthalic anhydride.

结果表明，装置系统改造能提高切换冷凝器的寿命，提高苯酐收率。