Unverified82% confidenceTradeoffTime unknown
含胶双壁管防水密封好但价格高、壁厚大占空间且加热时间长；无胶管薄软灵活成本低，密集布线或不需防水时无胶更合适
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
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