研究对象为一家用杂酚油浸渗铁路枕木工厂中的6名男工,分别从事浸渗操作、操作助理、垫板、货运等工作,其中3人吸烟。工作时带皮革手套和穿棉织工作服,但未用呼吸保护器。受试者连续5个工作日配带个体采 The study was conducted on 6 male workers in a crepe infill railway sleeper factory, which engaged in infiltration operations, operation assistants, shim plates and freight transportation, respectively, and three of them smoked cigarettes. Working with leather gloves and cotton overalls, but not breathing protector. Subjects with five consecutive working days with individual mining