采用直流电机驱动通过夹料装置在轨道上的链条作来回往返运动，夹料为弧形夹料装置，分为液动及气动。
DC motor drives chain of the material holding device on the rail to run in a reciprocating way, arc material holding device is used, of hydraulic or pneumatic type.
采用直流电机驱动通过夹料装置在轨道上的链条作来回往返运动，夹料为弧形夹料装置，分为液动及气动。
DC motor drives chain of the material holding device on the rail to run in a reciprocating way, arc material holding device is used, of hydraulic or pneumatic type.
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