笔者多年从事进口工程机械售后现场服务工作，经对所接触到的一些工程机械施工单位的情况进行了解和调查研究后，发现因操作使用和维护保养不当等原因所造成的机械事故占有相当大的比例。故障不仅损害机械设备本身，而且因机械设备停产会造成更大的损失。实例１有台ＷＡ６... The author for many years engaged in the sale of construction machinery after-sales service on-site, after some exposure to the construction machinery construction unit to understand and investigate the situation, found that due to improper operation and maintenance and other reasons caused by mechanical accidents occupy a considerable proportion. Fault not only damage the machinery and equipment itself, but also because of mechanical equipment production will result in greater losses. Example 1 Taiwan WA6 ...