| 单词 | 抽干 |
| 释义 | 〔leach〕To empty; drain:滤去：弄空；抽干：〔cofferdam〕A temporary watertight enclosure that is pumped dry to expose the bottom of a body of water so that construction, as of piers, may be undertaken.围堰：一种临时性的水密围绕物，抽干后露出水体的底部，以便对建筑物（如桥墩）施工〔radiometer〕A device that measures the intensity of radiant energy, consisting of a partially evacuated glass bulb containing lightweight vertical vanes, each blackened on one side, suspended radially about a central vertical axis to permit their revolution about the axis as a result of incident radiation.辐射计：检测辐射能强度的一种装置，装有一个部分抽干的玻璃管，管内有若干轻质的垂直翼，每个翼的一边为黑色，在一个垂直的周围辐射悬垂，在受到投射辐射时它们可以绕轴旋转 |
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