placanticline anticline hydrocarbon reservoir

例句：

1. 1. The geological survey revealed a placticline fault in the area.
   地质调查发现该地区存在褶皱线状断层。
2. 2. The rock formation is characterized by its unique placticline structure.
   这种岩石的形成特征是其独特的褶皱线状构造。
3. 3. The study of placticlines has significant implications for understanding the mechanics of earth's crust.
   研究褶皱线对于理解地球地壳的力学机制具有重要意义。