题目内容 (请给出正确答案)
提问人:网友f******g 发布时间:2022年6月23日 21:11
[单项选择题]

为了将各种PDH信号装入SDH帧结构净负荷中,需要经过:()

\tA.映射,定位,复用

\tB.映射,码速调整,定位

\tC.码速调整,映射,复用

\tD.复用,定位,映射

参考答案
十点题库官方参考答案 (由十点题库聘请的专业题库老师提供的解答)
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