The structure of core fiber and wrapped fiber in air-jet spun yarn was introducted base on Comprehensive analysis the development status and technology of Air-jet Spinning.

• 自由端喷气纺纱是以高速气流辅以罗拉牵伸而形成自由端,并利用高速旋转气流对须条进行加捻的一种新型纺纱方法。