纺纱是对纤维集合体牵伸加捻的过程。
Spinning is the process of drawing out and twisting a mass of cleaned, prepared fibres.
当纱线被加捻的时候，在捻度的方向上也会相应地形成内应力。
As the yarn is twisted, internal forces are built up in the direction of the twist.
纺纱是对纤维集合体牵伸加捻的过程。长丝比短纤维需要的捻度少。
Spinning is the process of drawing out and twisting a mass of cleaned, prepared fibres. Filament yarns generally require less twist than do staple yarns.
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