一般,在已定的故障分布律的基础上,通过对比停工损失和备用设备的维护费用,确定露天装运设备经济合理的备用量。由于装运过程和由停工引起的一系列经济损失具有密切的工艺关系,因此,确定设备故障停工造成的企业损失,具有一定的复杂性。设 Generally, on the basis of the established fault distribution law, the reserve for economical and reasonable operation of the open-air shipping equipment is determined by comparing the stop-loss and the maintenance cost of the spare equipment. Due to the close technological relationship between the shipping process and a series of economic losses caused by the downtime, it is of some complexity to determine the business losses caused by equipment downtime. Assume