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lovegreen2004 发表于 2013-9-11 08:49 static/image/common/back.gif 1 `1 G, [& U9 M! S M力学性能4 s' ^- F- M1 D7 Z# Y 抗拉强度σb (MPa):≥1080(110), L' f( {1 G# @# X1 |5 ]6 o! h 屈服强度 σs (MPa):≥930(95)
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