名词
中文翻译：固定梁
同义词：
['stay beam', 'stay girder例句：1. The engineer used a fixed beam to support the roof.（工程师使用一根固定梁来支撑屋顶。）']
例句：
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1. The engineer used a fixed beam to support the roof.
工程师使用一根固定梁来支撑屋顶。
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2.The bridge was built on a fixed beam.
这座桥建在一根固定梁上。
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3.The beam is fixed to the wall with screws.
这个梁用螺丝固定在墙上。