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第四讲设备更新的技术经济分析 1 设备更新与设备寿命 1.1 设备更新设备更新是修理以外的另一种设备综合磨损的补偿方式,是维护和扩大社会再生产的必要条件。设备更新有两种形式:一种是用相同的新设备去更换有形磨损严重,不能继续使用的旧设备。这种更新只解决设备的损坏问题,不具有更新技术的性质、不能促进技术的进步。另一种是用较经济和较完善的新设备,即用技术上更先进、结构更完善、效率更高、性能更好、耗
Chapter IV Technical and Economic Analysis of Equipment Updates 1 Equipment Update and Equipment Lifetime 1.1 Equipment Update Equipment Update is a compensation method for comprehensive wear of another equipment in addition to repair, and is a necessary condition for maintaining and expanding social reproduction. There are two types of device updates: One is to use the same new device to replace old equipment that has serious physical wear and can no longer be used. This update only solves the problem of equipment damage, does not have the nature of updating technology, and does not promote technological advancement. The other is to use new equipment that is more economical and complete, that is, more technologically advanced, more complete in structure, more efficient, better in performance, and more efficient.