名词
中文翻译：包装层
同义词：
['包装层，包装材料层例句：1. The packing layer iscrucial for protecting the product during transportation.（包装层对于保护产品在运输过程中至关重要。）']
例句：
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1. The packing layer iscrucial for protecting the product during transportation.
包装层对于保护产品在运输过程中至关重要。
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2.The company used a new type of packinglayer to improve its efficiency.
该公司使用了一种新型的包装层来提高其效率。
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3. Thepacking layer was designed to prevent moisture fromseeping through.
包装层被设计用来防止水分渗透。