该装置结构简单，使用方便，而且可多次重复使用。
This equipment's structure is simple and uses conveniently. Also it can be used for many times.
其结构简单，成本低，适用范围广，便于开启，可多次重复使用，能保持食品原有的色香味。
The food packaging bag has a simple structure, low cost and wide application range, is convenient to open, can be repeatedly used, and can keep the original color, aroma and taste of food.
其结构简单，成本低，适用范围广，便于开启，可多次重复使用，能保持食品原有的色香味。
The food packaging bag has a simple structure, low cost and wide application range, is convenient to open, can be repeatedly used, and can keep the original color, aroma and taste of food.
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