The aim of this paper is to explore an optimal policy in the maintenance of thernmedical water making machine through fault diagnosis. He finds better solutions for different types of medical water making system by illustrating a deionized-water making machine. His conclusion is that an optimal policy can help reduce cost and bring more profit to hospitals.%分析常见国产医用制水机在使用中极易出现的故障,探讨排除其故障的最优维修策略.通过举例分析KHR0系列去离子制水设备常见故障的排除过程,对不同类型医用制水设备的故障排除选择出其最优维修策略,以降低设备维修成本,为医院带来更大的经济效益.
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