名词
中文翻译：未加固的段落
同义词：
['unreinforced part', 'unreinforced area']
例句：
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1. The engineer carefully measured the unreinforced section of the bridge.
工程师仔细测量了桥梁的未加固部分。
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2.The construction crew worked diligently on the unreinforced section of the wall.
建筑工人勤奋地工作在墙壁的未加固部分。
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3.Due to the unreinforced section, the structure was weak and prone to collapse.
由于未加固的部分，结构很弱并且容易坍塌。