мөлүү огтлолт халиагуурт ус хаюур
ogee spillway
водосброс с водосливом практического профиля
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The Ogee spillway is generally provided in rigid dams and forms a part of the main dam itself if sufficient length is available. The crest of the spillway is shaped to conform to the lower nappe of a water sheet flowing over an aerated sharp crested weir.
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