名词
中文翻译：发光信号盘同义词
同义词：
['发光信号盘，发光信号板，发光信号灯']
例句：
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1. The illuminated signal disc is used to indicate the presence of an obstacle in a dark environment.
发光信号盘用于在黑暗环境中指示障碍物的存在。
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2. The illuminated signal disc was designed to improve safety on the construction site.
发光信号盘的设计旨在提高施工现场的安全性。
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3. The illuminated signal disc was used as a warning device during the emergency drill.
发光信号盘在紧急演习期间被用作警告装置。