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liuxilin1215 发表于 2016-12-5 18:10:38

ASTM D790-15e2 Standard Test Methods for Flexural Properties of Unreinforced and

ASTM D790-15e2 Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials

admin 发表于 2016-12-6 15:36:40

谢谢您的分享,金币已奖励!

82176321 发表于 2017-3-15 08:44:03

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