在现实的工业生产中,对工人健康造成危害的职业因素往往都是两种或两种以上有害因素联合存在的。噪声与振动就是一对严重损害工人健康的职业有害因素。从事手持振动工具作业的工人,由于遭受手传输振动及噪声的损害,经接触一定时间后在出现一些全身及手部症侯群或疾病的同时,往往也都有耳 In real industrial production, occupational factors that endanger the health of workers are often combined with two or more harmful factors. Noise and vibration are a harmful occupational hazard to workers’ health. Workers engaged in the operation of hand-held vibration tools often suffer from the risk of hand-transmitted vibration and noise. After exposure for a certain period of time, there are also some cases of generalized and hand-hand syndrome or disease at the same time.