1) drill material
钻头材料
1.
This paper introduces briefly the present internal and external state of drilling machining methods, drill material, new technology for making drills and some new types of deep hole making drills.
介绍了当前国内外钻削加工的方法、钻头材料、制造钻头的新工艺及一些新型的深孔加工钻头。
2) diamond simulants
仿钻材料
3) drillstring material
钻柱材料
1.
Development of impact test stand for the dynamic fracture performance of drillstring material;
钻柱材料的动态断裂特性冲击试验台研制
4) drilling material
钻井材料
1.
Aiming at the concept design of the 6th platforms transportation system s,the drilling material transportation system is divided into 3 modules,which is drilling pipes,large special equipment and drilling mud.
针对第6代深水半潜式平台自动化钻井材料输送系统概念设计,按输送方式将钻井材料的输送系统分为钻井管具类,大型专用设备类和钻井液类3部分。
5) Contact material
触头材料
1.
Preparation of Cu-W-Ni-C contact material;
Cu-W-Ni-C触头材料的研制
2.
Predicting the electrical life of contact material by fuzzy comprehensive judgement theory;
用模糊综合评判理论预测触头材料电寿命
3.
The Electrical Life Test of contact materials Realized with a Time Relay;
用时间继电器实现触头材料电寿命试验
6) contact materials
触头材料
1.
Cu-Cr contact materials for high power vacuum interrupters;
大功率真空开关铜铬触头材料
2.
Present status and development of Cu-Cr contact materials;
Cu-Cr触头材料的制备方法及进展
3.
The Study of Vacuum Electrical Performance of New-style WCu Contact Materials;
新型钨铜触头材料真空电性能的研究
补充资料：材料界面(见材料表面)
材料界面(见材料表面)
interface of materials
材料界面interfaee of materials见材料表面。
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