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1)  Elbow material
弯头材料
2)  composite elbow
复合材料弯头
1.
Manufacture method of the composite elbow;
复合材料弯头织物的设计与织造
3)  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
4)  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
5)  electrical contact material
触头材料
1.
A newly developed Ag5wt%C electrical contact material was fabricated using the technique of high-energy in conjunction with reductant liquid spraying chemical coating and powder metallurgy.
采用高能球磨-还原剂液相喷雾化学包覆-粉末冶金工艺制备出新型银石墨电触头材料AgC5(质量分数)。
2.
Based on analyzing the results from the temperature field model of the electrical contacts,the status changes of the electrical contact materials and the evolution of geometrical profile of weld pool after arcing were described in detail.
在计算了电弧能量作用于触头材料所形成温度场变化的基础上,研究了电弧作用后从形成熔池到冷却凝固至室温过程中,触头材料状态的变化过程以及与之对应的熔池形貌的演化过程;着重分析了熔池凝固过程的特点及其对触头材料显微组织和形貌变化的影响。
3.
The properties of AgWC(20)C(3) electrical contact material prepared by chemical coating process was tasted.
对化学包覆法AgWC(20)C(3)触头材料的各项性能作了较全面的测试,并与机械混粉法AgWC(12)C(3)触头材料进行对比。
6)  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。
补充资料:弯头
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性质:在管路系统中,弯头是改变管路方向的管件。按角度分,有45°及90°两种。弯头的材料有铸铁、可煅铸铁、碳钢、有色金属及塑料等。与管子联结的方式有:法兰联结、螺纹联结及承插式联结等。

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