收卷部分，牵引及卷取均采用磁粉离合器，套色精确，收卷端面更加整齐。
Rewinding and traction adopt magnetic powder clutch to make color register accurate and rolling end face more neat and smooth.
收卷部分，牵引及卷取均采用磁粉离合器，套色精确，收卷端面更加整齐。
Rewinding and traction adopt magnetic powder clutch to make color register accurate and rolling end face more neat and smooth.
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