F7/T93008-2018合1253.73.3.13.103.63.4a)无卷头3.3.2b)平卷头b)圆锥孔有锥座圆锥形经纱管93.63.53.43.3.13.10C3.83.23.1)组合孔有锥座圆锥形经纱管图1()3.1管长tube length3.2芯底距distance between core and base3.3管顶tube top3.3.1无卷头plain top3.3.2平卷头rolled-in top3.4管上部upper tube3.5管中部middle tube3.6管下部lower tube3.7线槽yarn grove3.8管芯tube core3.9管箍tube band2
