发布时间:2025-02-01 20:44:23
简单的说,你的就是在主干光缆线路上下线。举例说明吧,一条48芯光缆,到第一个节点处下线12芯,你就把48芯里1-12芯和12芯对接,到第二个节点下线24芯,你就把48芯里13-36芯和24芯对接,第三个节点下线12芯,你就把48芯里37-48芯和12芯对接,。
海信空调 把内机的插头插上的时候 空调会滴的响一声 然后空调外面的挡风的叶片转了一圈 转到原位就不
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