名词
中文翻译：主要垂直挠度
同义词：
['major vertical deflection', 'principal deflection']
例句：
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1. The bridge's structural integrity is a concern during the construction phase.
在建设阶段，桥梁的结构完整性是一个担忧。
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2. The engineer analyzed the data to identify any potential problems in the principal vertical deflection.
工程师分析了数据以识别任何可能的垂直挠度问题。
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3. During testing, the machine demonstrated a significant principal vertical deflection.
在测试中，这台机器显示出了显著的主要垂直挠度。