The practice has proved that the design and the practical scheme particular for the color picture tube enterprise are effective.
实践表明：对彩管企业采用所提出的设计和实现方案效果良好。
The practice has proved that the design and the practical scheme particular for the color picture tube enterprise are effective.
实践表明：对彩管企业采用所提出的设计和实现方案效果良好。
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