名词
中文翻译：刀封
同义词：
['seal', 'knife-sealed']
例句：
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1.The knife seal was used to keep the package safe during transportation.
刀封用来在运输过程中保护包裹的安全。
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2. The knife seal was removed before opening the package.
打开包裹前先移除了刀封。
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3.The knife seal is a common security measure used in many packaging systems.
刀封是一种常见的安全措施，广泛应用于许多包装系统中。