名词
中文翻译：信号管同义词
同义词：
['signal tube', 'signal conduit', 'signaling pipe']
例句：
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1. The engineer installed a new signal pipe to improve communication in the factory.
工程师安装了一个新的信号管来改善工厂内的通信。
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2. The construction crew used a signal pipe to alert workers of an impending earthquake.
施工队使用信号管来警告工人即将发生的地震。
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3. The pipeline was designed to carry gas from one city to another, using a signal pipe as a way to communicate witheach other.
该管道设计用于将气体从一个城市输送到另一个城市，使用信号管作为相互沟通的方式。