...夹角180o～120o； 开阔褶皱 ( open fold )，两翼夹角120o～70o；关闭褶皱(close fold)，两翼夹角70o～30o；紧闭褶皱(tight fold)，两翼夹角30o～0o；等斜褶皱(isoclinal f..
2
?紧密褶皱
... 虎眼石 tiger-eye 紧密褶皱tight fold 透橄岩 tilaite ...
3
?紧褶皱
... 尖褶皱 angular fold 紧褶皱tight fold 开褶皱 open fold ...
双语例句
1
The deformation of the Changting low-grade metamorphic rock series occurs mainly as kink structures and open fold except as tight folds possible in local segments.
长汀浅变质岩系除局部地段可能存在紧闭褶皱外，以膝折带构造及宽缓褶皱变形为主。
2
The waterproof layer of the lap joint should stick (welding) firm, tight sealing, no distortion, fold, curling and blister defects.
卷材屋顶防水层的搭接缝应粘(焊)结牢固，密封精密，不得有扭曲、皱折、翘边和起泡等缺陷。
3
This rock suite, with a high abundance of Au-Ag, formed a tight linear fold, in which fractures were well developed.