喷气纺包芯纱的结构改造也是在纺纱机上加装一套芯丝的积极退绕装置，从长丝架上引出的长丝经过张力装置后，通过导丝器进入前钳口。
加捻和卷绕分开——自由端纺纱( Open-end Spinning )； 转杯纺(Rotor Spinning) 喷气纺(Air-jet Spinning) ..
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喷气纺所达到的较高技术水平，值得借鉴。
High technical standard obtained in jet spinning is for reference.
喷气纺纱纺制的纱线光洁、条干均匀、质量稳定，但条干均匀度还赶不上环锭纱。
Air-jet-spun yarns are clean, have good uniformity and even quality, but are less regular than ring-spun yarns.
通过合理设计加捻器和工艺参数，采用喷气纺纱方法纺制含麻纤维纱线是可行的。
The research shows that it is absolutely possible to spin bast-fibre air-jet yarns if the twisting elements are properly designed and the technological parameters are correctly Chosen.
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