日本一家公司研制成一种可用煮米饭的塑料包装袋。该包装袋由两层材料复合而成,外层是耐热性很好的尼龙薄膜,内层是聚乙烯薄膜,袋上还有按米量放水的水位线,使用时,只需把生米放入袋内,加入一定比例的水,将整个袋放到锅里煮20分钟,米饭即煮熟可食。 A company in Japan developed a plastic bag for cooking rice. The bag is made of two layers of composite materials, the outer layer is a good heat-resistant nylon film, the inner layer is a polyethylene film, the bag there is a meter water level of water lines, the use of just raw rice Into the bag, add a certain percentage of water, the whole bag into the pot and cook for 20 minutes, cooked rice is edible.