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1. 打褶：distortion 变形 | puckering 起皱的 | pleating 打褶
2. 活褶：91 韓國絲 Piping | 92 活褶 Pleating | 93 尖點 Point
3. 打裥：pleat 褶裥 | pleating 打裥 | pleating machine 褶裥机
pleating
noun
1. the act of folding in parallel folds
Synonym: plication