lulao 发表于 2014-8-9 22:34:19

ASTM A981-97(2007) Standard Test Method for Evaluating Bond

ASTM A981-97(2007) Standard Test Method for Evaluating Bond Strength for 15.2 mm (0.6 in.) Diameter Prestressing Steel Strand, Grade 270, Uncoated, Used in Prestressed Ground Anchors

admin 发表于 2014-8-11 11:24:24

谢谢您的分享，金币已奖励。

五分头LW 发表于 2016-5-20 11:25:01

谢谢分享                                 
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