The influence of waveform of DC high tension supply on the process of electrostatic separation is theoretically analyzed and discussed; it is also verified by experimentation.

本文从理论上较深入地分析讨论了电源波形对电选过程的影响，从试验上进行了验证。

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Zhen Xing, senior high-pressure boiler tubes experts also said: With the increase in steel production, raw material supply to the growing tension in the market.

振兴的资深无缝钢管专家还透露：随着钢铁产量的上升，原材料市场供应日益紧张。

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This will help ease the tension between demand and supply of high-level and quality learning opportunities for Chinese citizens.

这将有助于缓解中国公民对高水平，高质量教育机会要求的紧张供求关系。

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