trough valley
短语词组
- fault trough submarine valley 断槽海底谷;断层槽海底谷
- trough shaped valley 槽形谷
- shoulder of trough valley 槽谷肩
- trough -shaped submarine valley 槽形海底谷
- trough valley then 槽谷
- karst trough valley then 岩溶槽谷
- karst trough valley 岩溶槽谷
- ancient valley trough 古沟槽 返回 trough valley