ygs67 发表于 2016-1-14 09:45:21

ASTM D2845-08

ASTM D2845-08 Standard Test Method for Laboratory Determination of Pulse Velocities and Ultrasonic Elastic Constants of Rock

admin 发表于 2016-1-14 13:19:54

谢谢您的分享,金币已奖励!
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