说明蝇蛆壳聚糖能减少蔬菜的水分损耗，限制其呼吸作用，减少营养损失。
It was also found that Chitosan can inhibit the evaporation of water, limit the respiratory reaction and reduce the nutrition loss in vegetables.
结果表明，用排气扇通风具有耗电低、降温均匀、水分损耗低和操作简便等优势，适用于冷空气资源充足的地区。
The results showed that exhaust fan has the advantages of low consumption of energy and moisture, simple operation and lowering temperature uniform. Ventilation with exhaust fan is fit for cool area.
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