An S-twist yarn is one in which the fibers follow a spiral pattern parallel to the center bar of the letter s.

捻的纱线中的纤维成螺旋状并与字母s中间的斜杠平行。

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An S-twist yarn is one in which the fibers follow a spiral pattern parallel to the center bar of the letter s.

捻的纱线中的纤维成螺旋状并与字母s中间的斜杠平行。

youdao