Bend needle mechanism and looper mechanism are two important mechanisms in blind stitching machine.
弯针机构与成圈叉机构是暗缝缝纫机的两个重要机构。
The diameter of post is 54MM, and with special designed needle plate suitable for stitching the small-curved portion.
釜座直径为54MM，且采用特殊设计的针板，可适用于缝制具有小曲度的物品；
The influences of the sewing needle and stitching parameters on the permeability were studied.
用径向技术测量了缝合预制件的渗透率，研究了缝针型号、缝合参数对渗透率的影响。
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