某些毒物所致急性或慢性中毒病程中,在中毒本身所致的神经和精神障碍之中,各个阶段均可出现精神症状,这些症状大多属于全身性中毒症状的一部分。但也常见到这种情况,在有毒作业环境中,尤其是某一中毒事故发生后,某些人虽然也接触了生产性毒物,但浓度低或数量少(如仅吸入数口,或少量沾染了皮肤),接触浓度绝不至 Some poison caused by acute or chronic poisoning in the course of the poisoning itself caused by neurological and mental disorders, psychic symptoms can occur in all stages, most of these symptoms are part of the symptoms of systemic poisoning. However, it is also common to find that in toxic working environments, especially after a certain poisoning accident, although some people also come into contact with productive poisons, they have low or low concentrations (such as inhaling only a few mouthfuls or a small amount of contaminants The skin), exposure to concentration never