The ratio of preventive maintenance and faulty maintenance

The ratio of preventive maintenance and faulty maintenance is 3:7. Some data show that preventive maintenance work in foreign countries accounted for more than 70% of the entire medical equipment maintenance, faulty maintenance only accounted for less than 30%, while the opposite is true in China, preventive maintenance accounted for only less than 30% of the faulty maintenance to reach more than 70%. Therefore, how to do a good job of preventive maintenance is also our medical institutions currently need to solve the problem.