ygs67 发表于 2018-3-24 13:02:10

ASTM D6431-18

ASTM D6431-18 Standard Guide for Using the Direct Current Resistivity Method for Subsurface Investigation

admin 发表于 2018-3-26 16:47:42

谢谢您的分享，金币已奖励!
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查看完整版本: ASTM D6431-18