名词
中文翻译：桥式发声装置
同义词：
['bridge-announcer', 'bridge-announcer device']
例句：
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1. Thebridge announciating device was designedto improve traffic flow.
桥式发声装置被设计用来改善交通流量。
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2. The bridgeannounciating device was installed atthe crossing of two roads.
桥式发声装置安装在两条道路的交叉口。
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3. Thebridge announciating device is responsiblefor monitoring traffic conditions.
桥式发声装置负责监测交通状况。