Several types of spinning systems have been used in making woolen yarns, for example mule spinning, ring - frame spinning, etc.
生产粗梳毛纱的细纱机种类很多,例如走锭纺纱机、环锭纺纱机等。
Several types of spinning systems have been used in making woolen yarns, for example mule spinning, ring - frame spinning, etc.
生产粗梳毛纱的细纱机种类很多,例如走锭纺纱机、环锭纺纱机等。
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