兑水 发表于 2009-10-11 09:55:47

ASTM D 4623-2005 用过芯法-美国矿务局(USBM)钻孔变形计现...

D4623-02 Standard Test Method for Determination of In Situ Stress in Rock Mass by Overcoring Method-USBM Borehole Deformation Gage
页: [1]
查看完整版本: ASTM D 4623-2005 用过芯法-美国矿务局(USBM)钻孔变形计现...