coal flow signal 煤流信号
coal locating level signal 煤位信号
Signal converter for coal mine 矿用信号转换器
signal of coal level 煤位信号
Analysts said that China continued to release the signal to control the price of coal, it should still be the thermal coal market being given the most attention.
分析师称，国家不断释放信号要控制煤价，暂时主盯的应该还是动力煤市场。
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.
介绍了可编程序控制器在煤矿绞车提升信号系统和操车控制系统中的应用及收到的显著效果。
This paper presents the function and characteristics of CAN bus, and gives more description of CAN intelligent nodes application in coal transportation signal, integrated and blocked system.
在了解CAN总线功能与特性的基础上，重点阐述了CAN总线智能节点在煤矿运输信、集、闭系统中的应用。
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