ygs67 发表于 2017-12-11 17:30:33

ASTM D6416 D6416M-16

ASTM D6416 D6416M-16 Standard Test Method for Two-Dimensional Flexural Properties of Simply Supported Sandwich Composite Plate

admin 发表于 2017-12-13 18:44:14

谢谢您的分享，金币已奖励!
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