可编程序控制器(PLC)具有可靠性高、运用灵活方便、现场适应能力强等优点，被誉为加工工业自动化一大支柱。
The programmable logic controller (PLC) has advantages of high reliability, easy operation and good on-site adaptability etc, thus it was praised as one of automation mainstays of processing industry.
对机械化采煤工作面的采煤机司机和支柱工的劳动心率和能量代谢进行了现场实测。
The heart rate and energy metabolism rate of shearer operators and prop-setters during labour at coal face are measured at work site.
对机械化采煤工作面的采煤机司机和支柱工的劳动心率和能量代谢进行了现场实测。
The heart rate and energy metabolism rate of shearer operators and prop-setters during labour at coal face are measured at work site.
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