近年来机动车辆数目伴随着城市的发展而急剧增加，大量尾气的排放加剧了大气污染。长时间的暴露在交通噪声、汽车尾气污染的环境中，以及工作紧张等诸多危害因素共同联合作用，对交通警察健康的影响是不容忽视的。为此，我们对大连市中山区４个交通岗存在的危害因素进行了... In recent years, the number of motor vehicles has risen sharply with the development of cities. The emission of a large amount of exhaust gas has exacerbated the air pollution. Long-term exposure to traffic noise, automobile exhaust pollution in the environment, as well as work stress and many other harmful factors jointly play a joint role in traffic police health can not be ignored. To this end, we are in Dalian City, Zhongshan City, 4 traffic post hazards exist ...