1) 动物肠道清洗和加工工作繁重辛苦．不利于实现机械化，因而操作成本高；
1) The cleaning and processing of animal intestines are arduous and difficult, which is not conducive to mechanization, and therefore the operation cost is high.
2) 动物肠道中存在许多对香肠生产不利的天然弯曲；
2) There are many natural bends in animal intestines which are unfavorable to sausage production.
3) 动物肠道的粗细随动物的个体及部位不同而异，且强度也有所变化。这些缺点阻碍了香肠的标准化和机械化大生产。
3) The size of the intestinal tract varies with the individual and location of the animal, and the intensity of the intestinal tract varies. These shortcomings hinder the standardization and mechanized production of sausages.