The utility model relates to a device to add spice into tobacco stems during tobacco production, which comprises a triple valve arranged on a spice supply pipe.

本实用新型涉及一种卷烟生产中使用的对烟草梗丝添加香料的装置。

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Applying PLC to the plasma spray welding system was helpful for enhancing the quality of triple eccentric butterfly valve and the system stability.

采用可编程控制器(P LC)控制有助于提高三偏心蝶阀喷焊质量与系统稳定性。

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The tracking control technique of triple eccentric butterfly valve is introduced. The detection position and the effect of displacement sensor are discussed in this paper.

论述了三偏心蝶阀焊缝跟踪控制方法，分析了位移传感器的检测位置及其效果。

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