进步自动中心校正，并附分丝扩幅辊将布展平；
Automatic correction to center cloth entering, with respective with wire expanding cloth;
可选装预扩幅、归中等部件，适用于卷边的织物。
Pre-spreading part and centering device are optional parts, suit for edge curling fabrics.
用此方法设计的机构可以作为老机改造和新机设计的良好方案，实现扩幅增速的目的。
The mechanism designed with this method can be used in old loom reform and new loom design to increase its reed width and running speed.
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