planometer

常见例句

• The original storage capacity of the Xiaolangdi reservoir was artificially calculated with a planometer as per the topographic map (Scale 1:10000) aerial surveyed more than 30 years ago in 1966.
  黃河小浪底水庫設計堦段使用的原始庫容是依據1966年航測的1:1萬地形圖,利用求積儀人工量算的,距今已30餘年。
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