從工業(yè)化大生產(chǎn)出現(xiàn)至今，設備維修大致經(jīng)歷了三種方式事后維修、預防維修、狀態(tài)維修或預知維修。事后維修是zui早的維修方式，因當時工業(yè)生產(chǎn)規(guī)模不很大，設備簡單，技術水平低，且設備利用率和維修費用不是突出問題，人們對設備故障缺乏認識，設備管理意識較淡薄，故只在設備壞了之后才進行修理

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