An object, such as a spool or barrel, around which material is wound.
An object, such as a spool or barrel, around which material is wound.
卷筒在其周围卷绕材料的物体，如线轴或线桶
An object, such as a spool or barrel, around which material is wound.
卷筒在其周围卷绕材料的物体，如线轴或线桶