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lovegreen2004 发表于 2013-9-11 08:49 static/image/common/back.gif4 P4 l) }: k/ j$ C- M) {( V: X6 N" G# f 力学性能 * q+ U P9 m( y# T抗拉强度σb (MPa):≥1080(110) 3 Y* h% ~; n5 S- X5 @: ^' j2 v屈服强度 σs (MPa):≥930(95)
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