变应性皮炎、过敏性鼻炎、过敏性哮喘三组比较差异无统计学意义（P<0.05）。
There were no statistical significances among allergic dermatitis, allergic rhinitis and allergic asthma (P>0.05).
不同工种人员间变应性鼻炎的发病无明显区别，其发病时间、症状轻重与工龄长短似无直接关系。
There was no apparent difference among the workers with different working type. It seemed that no relation was among the time occurrence, seriousness and the working age.
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