PLC was applied to rebuilt the electric control system for DF 5 locomotive.
应用PLC改造东风5型机车电气控制系统。
The researchers performed many sets of experiments in which they varied factors such as the temperatures and the type of solution, which are critical to control the quality and size of the df-G.
研究人员进行了很多组实验，比如改变温度与溶剂类型，这些对控制石墨烯的质量与尺寸都至关重要。
Introduction: As a simplified model of PF tilting-pan filter, DF single disk filters is composed of motor and speed reducer, and operated by a control system.
产品简介： DF系列单盘过滤机是PF型翻盘过滤机的简化机型，由电机、减速机通过控制系统操作。
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