发布时间:2025-01-20 21:02:14
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);
380v动力电没零线 用380v电焊机转220v求零线用空调
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