该蓝莓果脯的含糖量和水分适中，并具有微酸度，保证了果脯的营养成分和保质期限。
The preserved blueberry fruit has moderate content of sugar and water and is acidulous, thus ensuring the nutrient components and sell-by date of the preserve.
所有来料必须于容器上注明保质期限及来料时间﹐以便按“先入先出”方式进行收发料管理。
All incoming materials must be marked with durability and incoming time, so that we can use the "FIFO" method to send and receive materials management.
质量记录一般保存期限为产品保质期的两倍。
The retention time of the quality record is usually twice as much as the guarantee period of the products.
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