Fiber optic cable is one of the important parts in optical fibre communications system, its reliability must be high.

光缆是光纤通信中的重要组成部分之一，对其可靠性要求非常高。

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Fiber optic cable is one of the important parts in optical fibre communications system, its reliability must be high.

光缆是光纤通信中的重要组成部分之一，对其可靠性要求非常高。

youdao