以下为句子列表：
英文: Stitch regulation and reverse stitching: simply by turning the stitch regulator Thumb Screw and adjusting feed reversing handle, you can easily sew stitches of desired length or reverse stitshing.
中文: 针距选择及倒缝：调节针距，只用转松固定螺钉，发动指示杆，即可缝纫不同疏密的针距或倒缝。
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