为了保证同志們随时喝到热开水,我們根据农民用糠保温的土办法試制了开水保温桶。經实际使用,这样的开水保温桶能保温24—40小时,解决了每天早、晚都可喝到热开水。其构造如图(土开水保温箱纵剖图)。 In order to ensure that comrades readily drink hot and cold water, we have piloted a boiled water thermal insulation bucket according to the local method of peat bran insulation. The actual use of such a bucket of boiling water insulation 24-40 hours, to solve the daily morning and evening can drink hot water. Its structure as shown (soil water incubator longitudinal section).