发布时间:2025-01-20 21:14:05
1.防止水分散发,起到密封的作用;
2.防止食物在储存时失去原有鲜味;
3.隔离空气,防止食物氧化(受到感染);
我本来纸箱规格是57x33x37体积大致不变怎么样才设计个合理的20尺集装箱规格的箱子
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