患者男，40岁，自1993年10月起从事蓄电池回收、拆装、充电、修理。作业时常吸烟，并在作业场所进食。患者于1997年9月15日中午饮白酒约7两（参加宴请），当晚便头痛、恶心、呕吐、腹痛。就诊于某医院，给予对症治疗，症状有所缓解。次日出院，仍感乏力、食欲不振、腹痛。9月18 Male patient, 40 years old, since October 1993 engaged in battery recycling, dismantling, charging, repair. Smoke regularly from work and eat at workplaces. Patients in the afternoon of September 15, 1997 about 7 two drinks white wine (dinner), the night they have headache, nausea, vomiting, abdominal pain. Visited a hospital, given symptomatic treatment, the symptoms eased. The next day the hospital was still feeling tired, loss of appetite, abdominal pain. September 18