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沈阳市第一毛纺织厂于1964年冬、1981、1983、1984和1986年的4～6及9月,在原毛车间和制条车间曾多次出现皮炎病例。在这些车间工作的人员多为女性,皮肤上出现红色小丘疹,分布以腰部和胸部为主,其次是上肢、肩部和臀部,下肢很少。奇痒难忍,一般持续3～4d。病例有时多达60～70人。 1986年9月初,原毛车间在病例发生1wk后,调查车间现场未发现螨类,而收集车间内和露天羊毛堆内的羊毛,在塔氏装置内分别进行烘烤(70℃左右)。结果在车间和露天羊毛堆上部的羊毛中,均未分离出螨类,而在羊毛难底部潮湿和含有大量杂
Shenyang City, the first woolen mill in the winter of 1964, 1981, 1983, 1984 and 1986, 4 to 6 and September, in the original wool workshop and the system workshop dermatitis cases have repeatedly. Most of the workers working in these workshops were women, with small red papules on the skin, mainly waist and chest, followed by upper extremities, shoulders and buttocks, with few lower extremities. Itchy, usually lasts 3 ~ 4d. Cases sometimes up to 60 to 70 people. At the beginning of September 1986, after 1wk of the raw wool workshop, no mites were found on the site of the workshop. The wool in the workshop and the open-air wool pile was roasted (about 70 ℃) in the Tashi unit. Results in the workshop and the upper part of the pile of wool on the open heap, did not separate the mites, but difficult to wool at the bottom and contains a large number of miscellaneous