如果你用右手顺时针的旋转它，S捻的纱线会越变越紧，Z捻的纱线会越变越松。

When it is rolled clockwise by your right hand, an S-twist yarn will become tighter and a Z-twist yarn looser.

youdao

如果你用右手顺时针的旋转它，S捻的纱线会越变越紧，Z捻的纱线会越变越松。

When it is rolled clockwise by your right hand, an S-twist yarn will become tighter and a Z-twist yarn looser.

youdao