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發(fā)布時(shí)間: 2015-8-15 20:32
正文摘要:1.理想單紗的加捻 1 u& ]% ~1 b9 C! B/ ] 當平行纖維束集聚并形成圓柱體時(shí),如圖所示,設想截取其一片段,并假設片段長(cháng)度等于加捻后紗線(xiàn)中纖維一螺旋距的長(cháng)度,如圖(a)所示。經(jīng)加一個(gè)捻回后,設想此圓柱底端面 ... |
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