prestressed folded concrete floor
prestressed folded concrete floor
预应力折叠混凝土地板
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Taking advantage of bearing factor and the changed section according to internal forces, prestressed folded concrete floor is designed.
利用内外筒支座条件和截面高度随内力变化的方法设计预应力折线板楼盖。
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