graben ['grɑ:bən]

例句:

• Extensional basin includes mainly graben and half - graben controlled by low detachment.
  大多数地堑和半地堑是由深度近水平的拆离正断层控制的.
  
• A graben creates a favourable setting for uranium deposition.
  地堑成为铀矿沉积的有利部位.
  
• Taking Yishu graben as an example the application of these methods is presented.
  并以伊舒地堑汤原断陷为例,说明了这些方法的应用.