... 跟随列车（铁路） following train 追踪调速器 follow-up governor 呎，脚 foot ...
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The in situ operation effectiveness of the speed governor with such electrohydraulic follow up system is good so that it is worth popularizing and applying.
采用了这种电液随动系统的调速器现场运行效果良好，具有推广应用价值。
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