bottomset

常见例句

• Topset, foreset, and bottomset beds normally developed.
  頂積、前積和底積層均正常發育。
• From some field investigations (like Lake Constance and Lake Mead), the shape of a delta is not a Gilbert delta.Slope evolution between foreset and bottomset is not sharp but smooth.
  摘要:儅河川流入湖泊或水庫時，若河川的密度是高於湖泊，這時河川就會潛沒入湖泊的底部形成異重流。
• bottomset bed
  底積層
• bottomset beds
  底積層
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