A graben creates a favourable setting for uranium deposition.地堑成为铀矿沉积的有利部位.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.Taking Yishu graben as an examp...

n.地堑，裂谷...

graben的音标：graben的英式发音音标为：['grɑ:bən]graben的美式发音音标为：['grɑbən]...