短语词组短語rift -valley basin 裂穀型盆地resequent rift -block valley 瑞順斷塊穀rift valley -type sedimentation 裂穀型沉積作用pressure -rift valley 壓力裂穀Mid -Atlantic Rift Valley 中大西洋裂穀Yanqing -Zhuolu rift valley 延涿地塹 返回 rift valley