| 1. | Theoretical study on temperature rising of the dianond bit 孕镶金刚石钻头工作温升的理论分析 |
| 2. | 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 |
| 3. | 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 |
| 4. | 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 |
| 5. | 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 |
| 6. | According to the mechanical characteristics of engineering ceramics , the special diamond impregnated bits are developed for hole drilling 摘要根据工程陶瓷的性能特点,研制了孕镶金刚石钻头并对其进行孔加工实验研究。 |
| 7. | Abstract : emulsion " s effect mechanism on impregnated diamond bit " s self sharpness is presented through analyses of experience and testing data in drilling with impregnated diamond bits in hard and compact ground 文摘:通过对孕镶金刚石钻头钻探坚硬致密地层的工程实践和实验数据的探讨,提出了乳化液对孕镶金刚石钻头自锐作用的机理。 |