采用文献研究、对比分析、实例分析等研究方法。
The methods include document research, contrastive analysis, case study.
通过干法和湿法的装柱方法对比研究，确定了聚酰胺装柱的方法为湿法装柱。
The wet method of packing column is decided by comparing dry method and wet method.
研究方法有案例研究法、对比差距法和熵权法。
Research techniques are the case study, contrast margin method and so on.
研究方法：资料综合分析法、对比法和实证分析法。
Method of documentation, comprehensive analysis and case study were employed.
本文分析了水锁伤害机理，并对各种解除水锁的方法进行了研究对比。
This paper analyzes the mechanism of water lock damage and correlates various removal method...
本文分析了水锁伤害机理，并对各种解除水锁的方法进行了研究对比。
This paper analyzes the mechanism of water lock damage and correlates various removal method...
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