对机械行业工人的慢性肌肉骨骼损伤进行了工效学分析。结果表明，目前我国机械行业工人主要存在的工效学问题是：坐椅高度和坐位工作台高度较高，正常作业范围过大，同一动作持续工作时间过长、劳动时间率偏高、工中休息时间偏少。建议根据有关法规和标准，采取工效学改进措施 An ergonomic analysis of chronic musculoskeletal injuries in mechanical workers was conducted. The results show that the main ergonomics problems existing in the machinery industry in our country are as follows: the height of the chair and the height of the sitting bench are too high, the scope of normal work is too large, the same working duration is too long, the working time rate is too high, Less time. It is suggested to take ergonomic improvement measures in accordance with relevant laws and regulations