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矿井提升机自从引入可编程序控制器(简称PC)作为主控中心之后,控制观念和控制技术都发生了很大的变化,不仅加强了安全保护措施,而且也为维修人员定点维护与检修提供
Mine hoist since the introduction of programmable logic controller (PC) as the main control center, the control concepts and control technology have undergone great changes have not only strengthened the safety protection measures, but also for maintenance personnel designated maintenance and overhaul provided