名词
中文翻译：运输指示器
同义词：
['运输标记，运输指示牌例句：1. The shipping designator on the package indicates that it should be sent by air.（包裹上的运输指示器表明应该通过空运发送。）']
例句：
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1. The shipping designator on the package indicates that it should be sent by air.
包裹上的运输指示器表明应该通过空运发送。
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2. The customs agent scanned the shipping designator to ensure compliance with import regulations.
海关官员扫描了运输指示器以确保遵守进口规定。
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3.The company uses a unique shipping designator to track its products during transit.
该公司使用独特的运输指示器来追踪其产品在运输过程中的流动。