Quality Inn Washington DC 华盛顿特区品质酒店
In the process of DC upset butt welding, the joint quality was strongly effected by the temperature distribution in the direction of the plate width.
板材直流电阻对焊过程中，对接端面沿板宽方向的温度分布对焊接接头的质量有很大的影响。
Direct current hot cathode plasma glow discharge chemical vapor deposition (DC-HCPCVD) is a new method to deposit high quality diamond films with high growth rate.
直流热阴极辉光放电等离子体化学气相沉积法是我们建立的快速沉积高品质金刚石膜的新方法。
It can improve the reliability and quality of the high voltage DC electrical system of airplane to adopt modular power supplies to construct a secondary distributed power system.
采用模块电源构成飞机高压直流电气系统的二次电源分布式系统，可提高供电可靠性和供电质量。
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