名词
中文翻译：Unknown
同义词：
['预应力钢筋混凝土梁，预应力钢梁，预应力混凝土梁，预应力钢筋混凝土梁例句：1. The precast beam is being transported to the construction site by crane.（预制梁正在通过起重机被运送到施工现场。）2. The prestressed beam has been installed and is now ready for testing.（预应力梁已经安装完毕，现在可以测试了。）']
例句：
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1. The precast beam is being transported to the construction site by crane.
预制梁正在通过起重机被运送到施工现场。
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2. The prestressed beam has been installed and is now ready for testing.
预应力梁已经安装完毕，现在可以测试了。
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3. The precast beams are used in bridge construction due to their strength and durability.
由于其强度和耐用性，预应力梁在桥梁建设中被使用。