家用真空保鲜器研制成功一种适合家庭使用的真空保鲜器。日前由北京市通县蔬菜办公室所属的北京富瑞士保鲜技术开发有限公司研制成功。这种国内首创的真空保鲜器，由真空保鲜袋和手动式真空泵组成，可广泛适用于食品保鲜领域。用它来保鲜蔬菜，可延长保鲜期１０天左右，家... Home vacuum cleaner developed a family-friendly vacuum cleaner. Recently, Beijing Tongxian Vegetable Office belongs to Beijing Fu Swiss Fresh Technology Development Co., Ltd. successfully developed. This kind of vacuum cleaner, which is the first in China, is composed of vacuum preservation bag and manual vacuum pump, which can be widely used in the field of food preservation. Use it to preserve vegetables, can extend the shelf life of about 10 days, home ...