Keep the atomic service layer and composite service layers separate.
保持原子服务层与合成服务层的分离。
The composite layers can prevent sealant in the packaging bottle from pollution caused by water and light in the air, and keep the performance and the quality of products well.
上述复合层可以防止包装瓶内的密封胶受到空气中水分和光线的污染，很好地保持了产品的性能和品质。
The composite layers can prevent sealant in the packaging bottle from pollution caused by water and light in the air, and keep the performance and the quality of products well.
上述复合层可以防止包装瓶内的密封胶受到空气中水分和光线的污染，很好地保持了产品的性能和品质。
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