ygs67 发表于 2016-3-23 16:39:32

ASTM D6415 D6415M-06a(2013)

ASTM D6415 D6415M-06a(2013) Standard Test Method for Measuring the Curved Beam Strength of a Fiber-Reinforced Polymer-Matrix Com

admin 发表于 2016-3-24 15:57:09

谢谢您的分享，金币已奖励！
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