prestressed reinforced concrete truss
prestressed reinforced concrete truss
预应力钢筋混凝土桁架
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Compared with steel structures and prestressed reinforced concrete truss, this truss system not only has advantages in mechanics, but also is economic in budget.
通过与钢结构及预应力混凝土桁架相比较，表明该体系不仅具有良好的受力性能，同时还有很好的经济性。
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