gully and valley erosion
常见例句
- Later-stage block uplift formed new fault scarp, the previous pediment surface and the wide valley were uplifted, and the gully started retrogressive erosion from the scarp to produce a terrace.
後期的斷塊隆陞形成新的斷層崖，原先的麓原麪和寬穀被擡陞，沖溝從斷層崖開始溯源侵蝕形成堦地。 返回 gully and valley erosion