cdddd:工程地质岩芯描述细则及范例
~o+u: ] https://wenku.baidu.com/view/39c117ec0875f46527d3240c844769eae009a304.html
83@+X4ptp 前辈们,钻孔下去提上来的岩心破碎,并且塌孔,这是什么原因
/)|*Vzu https://tieba.baidu.com/p/6085547039?red_tag=0723972074
fgNEq https://v.qq.com/x/page/j08370cowgr.html?
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(2021-03-05 08:17) n[<Vj1n