A形褶皱  the A-shaped fold

A型褶皱  A - type fold; A-type fold

S形旋扭褶皱构造  S-pattern twisted folding structure

S形褶皱  sigmoidal fold

S-形褶皱  S-fold

阿尔卑斯式褶皱  Alpine type folding; Alpine type of folding

阿尔卑斯型褶皱  Alpine fold

阿尔卑斯褶皱  Alpine fold; alpine folding

鞍状褶皱  saddle fold

巴颜喀拉褶皱带  Bayankala folded belt

半箱状褶皱  half-box fold

瓣皱褶  flap striae

包卷褶皱  convolute fold

北秦岭褶皱带  north qinling fold belt

北天山褶皱带  Drape belt of north Tianshan mountain

贝加尔褶皱系  Baikalides

背部褶皱  dorsal fold

背覆褶皱  drape fold

背向褶皱  backfolding

背向褶皱作用  backward folding