Storage fresh-keeping technique: nuisance-free refrigerated storage to keep common vetch, Chinese chestnut and such staple farm products fresh by employing deepfreeze, dewatering and sublimation and such techniques.

• 储藏保鲜技术:运用速冻、脱水、升华等工艺对薇菜、板栗等主要农产品原材料进行无害化冷藏保鲜处理。