包芯纱

bāo xīn shā
  • covering yarn
包芯纱包芯纱
包芯纱[bāo xīn shā]
  1. 又通过环锭细纱机将水溶性PVA包覆于棉纱上,制成水溶性PVA包覆棉芯的包芯纱。

    Meanwhile , core-spun yarn was made by ring spinning frame , which involves a core of cotton yarn with a covering of PVA fiber .