发布时间:2025-02-01 09:47:55
调一下梭盘,时机偏大一点就可以了,如果是弹性面料的话还要注意线张力,呵呵。我是搞工业缝纫机市场技术支持的,今天你碰到高手了。
12v100ah浮充多久合适 12v100ah电池需要多久充满
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