Tainter gate
a type of radial arm floodgate used in dams and canal locks to control water flow.
plural of Ivan Ivanovitch
simple past tense and past participle of preposition
Alternative form of Tchaikovskian
技術者たちは雨季に備えて、ダムの流出を調整するラジアルアーム式放水門を点検した。
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