With the belt material to be punched in tooth form, and going around & overlaying by device, the coefficient of utilization of material was increased.
使用冲制成齿形的铁心带状材料,经卷绕装置卷曲成形,可以大大提高材料的利用率。
In this paper wound bandages with mixed chitosan fabric were designed which adopted woven double-faced structure and knitted jacquard-rid weave separately.
本文针对目前使用的壳聚糖非织造布敷料的不足,设计了壳聚糖复合绷带材料。
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