2) diamond impregnated bit
孕镶金钢石钻头
1.
The necessary technology,which combines the high rotary speed turbine with the diamond impregnated bit,is put forward to solve the deep drilling problems encountered in West Sichuan.
通过分析涡轮及孕镶金钢石钻头的主要性能,提出采用高转速涡轮+自锐孕镶金钢石钻头配套技术来解决川西深井钻井所面临的问题。
3) alloy steel bit
合金钢钻头
4) diamond drill bit
金刚石钻头
1.
Development and application of diamond drill bits in high altitude mining area;
高海拔矿区用金刚石钻头的研制与应用效果
5) diamond bits
金刚石钻头
1.
The experiments on several Japanese natural diamond bits;
几种日本天然金刚石钻头的试验
2.
In this paper, the author have introduced the status quo of diamond bits and tools' wide-adaptability, and discussed its research meaning, necessaries as well as the supporting work of needs in future.
介绍了广谱性孕镶金刚石钻头及工具的现状,论述其研究意义、必要性及未来需要的支持性的研究工作。
3.
Particular uses of the method are described in regard to the evaluation of φ60mm wireline diamond bits.
根据TOPSIS法原理，提出一种同时考虑“理想方案”和“负理想方案”的金刚石钻头综合评价灰色关联分析法。
6) diamond bit
金刚石钻头
1.
The experimental study on the new pattern diamond bit with high drilling speed;
新型高时效金刚石钻头试验研究
2.
Efficient methods applied in skidding strata with diamond bit and its history cases;
金刚石钻头钻进“打滑”地层采用的有效方法与实例
3.
Field test of electroplated diamond bit and analysis of its performance;
电镀金刚石钻头野外试验及效果分析
补充资料：金钢石
1.见"金刚石"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条