折痕;
fold one side of paper in toward the center, matching it up with the crease mark on the side that you just made.
折叠纸的一边在向中心,在边上使它增加与折痕标志相配你刚刚制造。
Degumming with enzyme may overcome the drawbacks usually happen in soap-alkaline degumming process such as soap mark, stain, silk abrasion and crease mark.
酶脱胶可克服皂&碱挂练工艺中常出现的白雾、生渍、灰伤、皱印等疵病。
measurements for eliminating the crease mark of acrylic knits
解决腈纶针织物皱印的方法
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