在系统回路中必须采用屏蔽信号电缆，并可靠接地。
Shielded signal cable must be used in system loop, and must be grounded firmly.
主要介绍了内屏蔽铁路数字信号电缆的设计、生产工艺要点，并结合生产实践讨论了如何进行质量控制。
The design and manufacturing key points of internal shielded railway digital signal cable are introduced, and combining with production practice, the quality control measures are discussed.
主要介绍了内屏蔽铁路数字信号电缆的设计、生产工艺要点，并结合生产实践讨论了如何进行质量控制。
The design and manufacturing key points of internal shielded railway digital signal cable are introduced, and combining with production practice, the quality control measures are discussed.
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