kevin_2017 发表于 2017-7-31 20:42:08

ASTM C78-2002

Standard Test Method for Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading)

admin 发表于 2017-8-1 15:24:18

谢谢您的分享,金币已奖励!
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查看完整版本: ASTM C78-2002