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| EXPLORATION ENGINEERING | |
| 摘 要： | 20011754 He Ping(Chengdu Un一vorsiry ofTeehnology,Chengd:一,SiehL一an);YuanXuewu DeveloPment of the Diamond Bit Ap-PI ieable to Drilling into the XIluodu Forma-tion(Journal of Chengdu Universiry of Teeh-nology,ISSNIOO05一9539,CN51一1460/P,27(4),2000,P.402一407,4 illus.,3 ra-bles,4 ref,with Engl一sh abstraer)20011753 Duan Lor一gehen(College of Engi-neering Teehnology,Jilin University,Changehu,Jilin);Yang Kaihua Researeh onDiamond with Chemieal一Plating NIFeBLater and its B… |
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