gǒng bà
意思解释：（Arch dam）一种建筑在峡谷中的拦水坝，做成水平拱形，凸边面向上游，两端紧贴着峡谷壁。
平面上呈拱形，借拱的作用把水压力传到河谷两岸的坝。多用混凝土筑成，也有用浆砌条石筑成的。山区峡谷中多见。陈毅《水调歌头》:“拱坝拦洪水，阔海注清波。”…
Show on plane vaulted, the action that borrows arch sends hydraulic force to the dam of river valley two sides. Multi-purpose concrete is built, build by laying bricks or stones of useful also oar of Shi Zhucheng. See more in a mountainous area gorge. Chen Yi does water move song head : Ang saddle always buys ā of Piao of ⑶ of W of of Chu ! Thin
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