Unverified80% confidenceTradeoffTime unknown
屏蔽层数越多抗干扰越好但线缆越硬、弯曲半径越大、越贵，家庭室内穿管布线用四屏蔽反而不好走线，双屏蔽更实用
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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