印度农业研究院的技术人员最近研究出一种适合于农村推广的简易水果冷藏室。冷藏室的用料是:砖、河沙、麻袋、竹子或木棍。具体建造方法是:冷藏室内部地表面用单砖砌成,边墙用砖砌成双层墙,中间留有大约7.5厘米的空隙,空隙中填上沙子,一个标准简易冷藏室大 Technicians from the Indian Institute of Agriculture have recently developed a simple fruit refrigerator suitable for rural extension. Cold room materials are: brick, river sand, sacks, bamboo or wooden sticks. Specific construction methods are: freezer interior surface with a single brick, brick wall double wall, leaving a gap of about 7.5 cm in the middle, filled with sand in the gap, a standard freezer large