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lovegreen2004 发表于 2013-9-11 08:49 static/image/common/back.gif 7 X$ F& c9 h9 @力学性能/ P' Z3 V( f. P7 g8 B$ d 抗拉强度σb (MPa):≥1080(110)! n6 d3 ?9 ^8 d+ t! e5 ?8 Q 屈服强度 σs (MPa):≥930(95)
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