名词
中文翻译：阶梯截面
同义词：
['阶梯断面，阶梯剖面例句：1. The engineer designed a stepped cross-section to increase the strength of the beam.（工程师设计了一个阶梯截面来增加梁的强度。）2. The construction crew used a stepped cross-section to build the bridge', 'which was later tested for its stability.（施工队使用阶梯截面建造了桥梁，之后对其进行了稳定性测试。）']
例句：
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1. The engineer designed a stepped cross-section to increase the strength of the beam.
工程师设计了一个阶梯截面来增加梁的强度。
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2. The construction crew used a stepped cross-section to build the bridge, which was later tested for its stability.
施工队使用阶梯截面建造了桥梁，之后对其进行了稳定性测试。
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3. The stepped cross-section of the tunnel allowed for easier access to the underground area.
隧道的阶梯截面使得更容易进入地下区域。