| 1. | Research into the hew electroplatng weak - holding diamond bits
新型电镀弱包镶金刚石钻头研制 |
| 2. | Efficient way to improve quality of synthetic diamond bits
提高人造金刚石钻头质量的有效途径 |
| 3. | The analysis of diamond bit market prospect
金刚石钻头市场前景分析 |
| 4. | The way to achieve better economic results of thin kerf diamond bits
提高薄壁金刚石钻头经济效益的途径 |
| 5. | Research on impregnated diamond bit for drilling in slipping formation
钻进打滑地层用孕镶金刚石钻头设计探讨 |
| 6. | Mechanism of emulsion s effect on impregnated diamond bit s self sharpness
乳化液对孕镶金刚石钻头自锐作用的机理 |
| 7. | Research on adaptability of parameters of diamond bit to steel reinforced concrete
金刚石钻头参数与钢筋砼的适应性研究 |
| 8. | Cast set diamond bit
铸镶金刚石钻头 |
| 9. | Sidelights on exploration recent advances in original innovations of impregnated diamond bit
谈硬岩孕镶金刚石钻头原创性的新进展 |
| 10. | Practice and analysis of rotary - percussive drilling of impregnated diamond bit with liquid jet hammer
射流式液动锤回转冲击孕镶金刚石钻头钻进的实践与分析 |
