论文部分内容阅读
为了解决蔬菜水果保鲜问题,印度农业研究所的科研人员,最近研究设计成功一种简便冷藏室。这种冷藏室建造方便。它的四周是砖砌的双层墙,墙距7.5厘米,双层间填河沙。室顶为竹制结构,上用麻袋覆盖。每天早晚向室顶洒一次水,就能使室内维持所需要的温度和湿度。这种简便冷藏室必须建在荫凉
In order to solve the problem of preservation of vegetables and fruits, researchers at Indian Agricultural Research Institute have recently successfully designed and designed a kind of simple refrigerating room. This refrigerator is easy to build. It is surrounded by brick double wall, 7.5 cm wall distance, double sand between the fillings. Top of the bamboo structure, covered with sacks. Sprinkle water to the roof every morning and evening to maintain the desired temperature and humidity indoors. This simple refrigerator must be built in shades