海南北部老粘性土工程地质性质研究 !.F`8OD`u
http://www.docin.com/p-698345839.html kWr*+3Xq
水平定向钻穿越长距离含姜石软塑胶粘土层技术研究 9m8`4%y=
https://wenku.baidu.com/view/1889f685854769eae009581b6bd97f192279bfb5.html
kH{axMNc
含姜石地层中预制管桩施工工艺研究 8XTVpf4
http://xueshu.baidu.com/usercenter/paper/show?paperid=106g0av0uf750tu0jv6p0gj0uk788597&site=xueshu_se