现行设备 meaning in Chinese

current device

I analyze the economic effect of crane management through the calculation of standard inspection & maintenance time and definition of related mathematics model . finally , i propose two - dimensional evaluation index system of crane management
通过对现行设备标准检修台时的计算和相关数学模型的建立，对设备管理的经济合理性进行实例分析，提出了设备管理的二维评价指标体系。