我队自57年6月间使用ЗИФ-300型油压钻机以来，时已年余，开动的钻机有十余台之多。由于该机器在构造上具有很多优点，因而在大跃进的生产高潮中，在提高生产效率和质量上起了积极作用。但在使用中，由于某些操作人员对该型机器性能不熟，缺乏维护保养经验，也给机器导致不少故障。为吸取经验 Since the team used the ЗИФ-300 hydraulic drilling rig in June of the year 57 years ago, it has been more than a year since the drilling rig was started. Due to its many advantages in construction, the machine has played an active role in improving production efficiency and quality during the production boom of the Great Leap Forward. However, in use, due to the unfamiliar performance of some of the operators on this type of machine, lack of maintenance experience, but also to the machine caused many failures. To learn from experience