... aqueduct stenosis导水管狭窄 aqueduct elevated高架导水管 Valens Aqueduct瓦伦斯水道桥 ...
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elevated aqueduct 高架渡槽
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Aqueduct, also called elevated canal, is usually built over valley, lower land or river for conducting water from a distance or even for shipping.
渡槽，也叫高架水渠，通常架设于山谷、洼地、河流之上，用于通水、通行和通航。
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