intrafolial fold
·2,447,543篇论文数据，部分数据来源于NoteExpress
纵向拼合每个叶和褶皱，叶底面内折叠和主叶脉形成顶部的褶皱脊。
Flatten each leaf and fold lengthwise so that the underside of the leaf is folded inside and main leaf vein forms the top ridge of the fold.
youdao
应用推荐
模块上移
模块下移
不移动