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crest of spillway /kɹɛsˈɛntɪk ˈdjuːn/ n

中文：溢洪道堰顶

中文 · 溢洪道堰顶Español · cresta del aliviaderoFrançais · seuil de l’évacuateur
Meaning：Cement crest over which the reservoir’s overflow discharges when the spillway gates are opened.
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Hydroelectric complex

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