女朋友水太多进去就软了,伊人久久大香线蕉av影院,被十几根触手扒开腿猛戳动漫 ,暴露yín荡女友17部分

水果保鮮的兩種方法：
Fruit fresh keeping of two ways:
1、化學方法主要有保鮮劑保鮮。目前常見的保鮮劑有：涂料涂抹劑、乙烯處理劑(吸收劑)、殺菌防腐保鮮劑等。
1, chemical methods mainly include antistaling agent. Common fresh-keeping agent has at present: daub coating agent, ethylene treatment agent (absorbent), sterilization anti-corrosive antistaling agent, etc.
如果用于家庭用的保鮮建議化學保鮮劑少用，一般多數(shù)采用物理方法，如低溫貯藏(冰箱)、地窖、排氣密封或者置于水中(低溫高濕)，且常需有保鮮冷庫的輔助。食品冷庫
When used for family use less with Suggestions of preservation of chemical preservatives, most commonly used physical methods, such as low temperature storage (refrigerator), cellar, exhaust sealed (low temperature and humidity) or in the water, and often need to have a fresh cold storage of auxiliary.
2、物理方法主要有：低溫貯藏、氣調(diào)貯藏、減壓貯藏、電磁輻射貯藏等。
2, physical methods mainly include: low temperature storage, controlled atmosphere storage, reduced pressure storage, electromagnetic radiation, storage, etc.
其中，較先進的保鮮技術(shù)主要有臨界低溫高濕保鮮、細胞間水結(jié)構(gòu)化氣調(diào)保鮮、臭氧氣調(diào)保鮮等，這些保鮮雖應(yīng)用廣泛，但需要特殊的設(shè)備、操作復雜、成本高、大范圍內(nèi)使用有一定的困難。
Among them, the more advanced technology mainly include critical low temperature and humidity preservation, intercellular structured modified atmosphere, ozone water modified atmosphere, etc., these fresh is widely used, but the need for special equipment, complicated operation, high cost, large scale use has the certain difficulty.
本文由食品冷庫設(shè)備有限公司整理發(fā)表提供，詳情請關(guān)注公司網(wǎng)站：http://www.sddslk.com/