【摘要】 以前育果套袋纸用新闻纸或牛皮纸制造，单纯从防病虫害出发，没有考虑到糖度和色泽。本文研究了如何控制育果套袋内袋纸的透光率。更多还原

【Abstract】 Fruit raising Pouch made of newsprint or kraft paper can only meet the Purpose of preventing pest from hurting. without thinking of saccharine degree and color lustre of the fruit. This paper studys how to control the transparence of the fruit raising inner Pouch.更多还原