什么是valley fold

什么是valley fold 什么是moutain fold fold middle flaps的意思是折纸里面的原句是the difference between corner,edge and middle flaps顺便说一下valley fold,mountain fold,reverse fold,rabbit ear,的意思 都是折纸的术语 fold是什么意思 fold是什么意思 fold your fold是什么意思 fold音标 valley是什么意思 valley sous 什么是top switch current with the peak current limiting还有 bottom switch current with the valley current limiting fold的过去式. fold it in fold the paper fold的同类词 fold it half Fold it的中文