Unverified50% confidenceFactExact time
网线降速时操作系统仍显示网络已连接，防火墙和杀毒软件正常，但实际可用带宽缩水至原来的1/10甚至1/100
1
Sources
50%
Confidence
Long-term
Relevance
7/16/2026
First Seen
Sources
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