• 体外预应力 - 引用次数：7

  Due to early protection issue limits its development, outside prestressing force has been applied on bridge long before.

  体外预应力很早以前就在桥梁上应用,因为早期力筋的防护问题限制了它的发展。

  参考来源 - 体外预应力加固钢筋混凝土旧桥的应用研究

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