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發(fā)布時(shí)間: 2015-12-17 20:24
正文摘要:1 \9 W& P& @9 `; q- [3 ^ 異形復合纖維profiled composite fibre一種芯層為非圓形的皮芯復合纖維。一般芯層為三葉形、三角形、十字形、扁平形、工字形等各種形狀,皮層為圓形。也可制成皮芯層都是非圓形的截面形狀 ... |
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