small valley

 
  • 小流域

small valley的用法和样例:

例句

  1. This small drainage area will not be influenced by the Siberian cold current.
    这小流域不会受到西伯利亚寒流的影响。
  2. And the method is verified in the calculation of ravine density in a small watershed of the Yellow River basin.
    并以黄河流域某小流域沟壑密度的计算作了实例验证。
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