名词
中文翻译：递价封
同义词：
['delivery seal', 'delivery sealing']
例句：
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1.The delivery seal on the package was broken.
包裹上的递价封被弄坏了。
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2.The company used a special delivery seal to ensure the package arrived safely.
公司使用了一种特殊的递价封以确保包裹安全到达。
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3. The delivery seal is a crucial step in ensuring the integrity of the package.
递价封是确保包裹完整性的关键步骤。