The invention also discloses a manufacturing method of the aluminum screw packaging tin, which comprises the following steps: roasting an aluminum sheet;
本发明还公开了铝质螺口包装罐制造方法，包括有如下步骤：炒片；
Disclosed is a separating and adjusting packaging tin capable of simultaneously containing a plurality of granular objects and adjusting sizes of outlets thereof.
一种能同时装纳多种颗粒状物品并能调节其出口大小的分隔调节包装罐。
The effect of the surface of micro-defects of tin plate steel (TFS) used for food packaging to the quality of food was studied.
研究镀铬钢板表面微观缺陷对其所包装食品的影响。
The effect of the surface of micro-defects of tin plate steel (TFS) used for food packaging to the quality of food was studied.
研究镀铬钢板表面微观缺陷对其所包装食品的影响。
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