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选用Ｆ１－６０ＭＲ型计算机集成块（ＰＬＣ）为核心控制器件对大型颚式破碎机的分级起动与过载保护是干条新途径，该系统具有多种功能，作了较具体的介绍．
The use of F1-60MR computer integrated circuit (PLC) as the core control device for large jaw crusher grading start and overload protection is a new way to dry, the system has a variety of functions, made a more specific introduction.