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1·Suggested to improve the packing and original validity can be suitable for unguent of airtight packing.

原定的有效期可以适用于密封包装的软膏。

2·Forcing the aquarium hoses through a thick foam packing under the lid made the entries airtight.

用力将鱼缸用的软管穿过盖子下面的厚泡沫填充物，这样做可使入口不漏气。