纹板链控制着综框并决定着综框的升降，以便形成所需要的花型。
The pattern chain controls the harnesses and determines which are to be raised or lowered in order to produce the desired pattern.
纹板链控制着综框并决定着综框的升降，以便形成所需要的花型。
The pattern chain controls the harnesses and determines which are to be raised or lowered in order to produce the desired pattern.
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