另外纱线必须被支撑，使其不致垂向地面或相互纠缠。

Also, the yarn must be supported to prevent it from dragging on the floor and tangling.

youdao

另外纱线必须被支撑，使其不致垂向地面或相互纠缠。

Also, the yarn must be supported to prevent it from dragging on the floor and tangling.

youdao