名词
中文翻译：登机机器
同义词：
['passenger boarding machine', 'passenger elevator']
例句：
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1. The airporthas installed several new boarding machines to improve efficiency.
机场安装了新的登机机器以提高效率。
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2. The elderly passengers were helped by the staff to board the boarding machine.
老年乘客由工作人员帮助登上了登机机器。
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3.The boarding machine was designed for easy boarding of large numbers of passengers.
登机机器是为大量乘客便捷登机而设计的。