This paper mainly discusses common obstacles appeared in the process of practical maintenance for the optical ifber cable line. According to detailed process of obstacles checking and repairing,the paper analyzes the reasons and characteristics of the optical cable circuit obstacles.%文章主要论述在光缆线路实际维护过程中出现的常见障碍,针对障碍排查抢修的详细流程,分析了光缆线路障碍的原因与特点。
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