• 提升信号系统改造煤炭企业技术改造的一个重要组成部分

    Signal system upgrade mine hoist control system is an important component performance of the system.

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  • 介绍了程序控制器煤矿绞车提升信号系统操车控制系统中的应用收到显著效果

    The application and good result of programmable logic controller using in the system of hoist lift signal and operation control in coal mine are introduced.

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  • 斜井提升同时设立电铃电话两套信号系统

    Bell signal systems and communication systems must be using at same time for decline hoisting system.

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  • 斜井提升同时设立电铃电话两套信号系统

    Bell signal systems and communication systems must be using at same time for decline hoisting system.

    youdao

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