名词
中文翻译：梁形
同义词：
['beam', 'beam profile', 'beam cross-section']
例句：
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1.The beam shape of the bridge is perfect for pedestrian traffic.
这座桥的梁形非常适合行人通行。
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2.The beam shape of the beam cross-section is important for calculating its strength.
梁截面的梁形对于计算其强度非常重要。
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3. The beam shape of the beam cross-section affects the load-bearing capacity of the bridge.
梁截面的梁形影响桥梁的承载能力。