The control scheme for the dust - removal control system in cigarette plant is introduced, in which the Sequence logical control is combined with the feedback control based on PLC.

在卷烟厂除尘控制系统中，以PLC为核心，实现顺序逻辑控制和闭环调节相结合的控制方案。

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The paper introduces the principle of chopping inner feedback technology and energy-saving results of solvent dust electromotor in practical use.

就斩波内馈调速技术的原理及在烧结厂溶剂除尘风机上实际应用的节能效果进行介绍。

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Any loose dust picked up along the way will absorb still more heat, creating a feedback loop that can send storms surging across the face of the planet.

NEWYORKER: The Martian Chroniclers