| 摘要 |
two slits, each width being 0.06<=A<=0.12, and a circular opening (B), the diameter being 0.13<=B<=0.20; the space btwn the slit and the circle opening being 0.09<=C<=0.14; the length of slit (D) being 0.42<=D<=1.56. Two separated rectangular slits (α,β) and circular opening (γ) form an H-cross section of the yarn.
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