特点：此机上线采用普通线，下线采用松紧线，适用于女裙打褶、连衣裙等腰边松紧打褶，松紧均匀，线迹完美。 Features: Using polyester as needle thread and elastic thread as looper thread, suitable for simultaneous shirring of waist skirt ruffling one-piece dress. This machine can make shirring proportion and stitching perfectly.
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