During the innovation, we combined the two isolated pits as one by removing their partition wall and changed the original vertical pit walls into slant walls more convenient for addition of mud.

• 对原窖进行改造,二窖合一,去掉中间的间壁,改原窖直立窖壁为斜窖壁,便于敷设窖泥,同时增加投粮量,提高窖帽高度,有利于保养窖泥。