名词
中文翻译：信号板
同义词：
['signal board', 'indicator panel', 'control panel例句：1. The engineer inspected the signal panel before starting the project.（工程师在开始项目前检查了信号板。）']
例句：
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1. The engineer inspected the signal panel before starting the project.
工程师在开始项目前检查了信号板。
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2.The technician replaced the faulty signal panel with a new one.
技术人员用一个新的信号板替换了故障的面板。
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3.The pilot used the signal panel to communicate with the ground crew.
飞行员使用信号板与地面机组进行通信。