名词
中文翻译：单工作梁
同义词：
['single-beam', 'single-span beam', 'single-span girder']
例句：
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1. The engineer designed the bridge with a single-working beam to support heavy loads.
工程师设计了一座桥梁，使用单工作梁来承受重载。
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2. The construction of this bridge required the installation of several single-working beams.
这座桥梁的建设需要安装几根单工作梁。
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3.The beam's strength was tested by measuring its deflection under load.
通过测量负载下梁的挠度来测试梁的强度。