名词
中文翻译：钟形喷嘴
同义词：
['bell mouth', 'bell mouthpiece例句：1. The bell-shaped nozzle is designed to direct the airflow precisely.（这个钟形喷嘴的设计是为了精确地引导气流。）']
例句：
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1. The bell-shaped nozzle is designed to direct the airflow precisely.
这个钟形喷嘴的设计是为了精确地引导气流。
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2. The bell-shaped nozzle was used in the old printing presses.
钟形喷嘴在旧的印刷机上使用过。
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3.The engineer replaced the old bell-shaped nozzle with a more efficient model.
工程师用一个更有效的模型替换了旧的钟形喷嘴。